CN110893382B - Automatic fine grain repairing system - Google Patents
Automatic fine grain repairing system Download PDFInfo
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- CN110893382B CN110893382B CN201911091204.XA CN201911091204A CN110893382B CN 110893382 B CN110893382 B CN 110893382B CN 201911091204 A CN201911091204 A CN 201911091204A CN 110893382 B CN110893382 B CN 110893382B
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- glass
- fine grain
- glass cement
- fine
- storage tank
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- 239000011521 glass Substances 0.000 claims abstract description 112
- 239000004568 cement Substances 0.000 claims abstract description 60
- 230000008439 repair process Effects 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000003384 imaging method Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000008263 repair mechanism Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 9
- 229920000915 polyvinyl chloride Polymers 0.000 description 8
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- -1 azo compound Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to an automatic fine grain repairing system, which comprises: the glass cement storage tank is arranged in a front end cover plate of the vehicle, and glass cement with fixed capacity and used for repairing fine lines at the damaged position of glass is arranged in the glass cement storage tank; one end of the support rod is connected with the glass cement spray head, the other end of the support rod is connected with the glass cement storage tank, and a PVC pipeline is arranged in the support rod and used for leading the glass cement from the glass cement storage tank to the glass cement spray head; the glass cement sprayer is arranged near the A column of the vehicle and used for repairing fine lines of the glass of the vehicle based on the received fine line coordinates when receiving a spraying starting command; when the glass cement sprayer receives the fine grain coordinates, the glass cement sprayer goes to the upper part of the fine grain at the damaged position of the glass to spray glass cement towards the fine grain. The automatic fine grain repairing system provided by the invention is reliable in operation and convenient to use. Because a set of automatic repair mechanism for the fine lines at the damaged positions of the glass is established, the repair of the fine lines of the glass can be completed at the minimum economic cost on the basis of reliable data detection.
Description
Technical Field
The invention relates to the field of automatic control, in particular to an automatic fine grain repairing system.
Background
The earliest automated controls traced back to the ancient China's automated timer and leaky-pot southward pointing cart, and the widespread use of automated control technology began in the European period of industrial revolution. English man Watt invented the steam engine, and at the same time, it invented the centrifugal speed regulator in 1788 by applying the feedback principle. When the load or steam quantity supply changes, the centrifugal speed regulator can automatically regulate the opening of the air inlet valve, so that the rotating speed of the steam engine is controlled.
Automatic control means that a certain operating state or parameter of a machine, equipment or production process is automatically operated according to a predetermined rule by an external device or apparatus without direct human involvement. Automatic control is in contrast to manual control concepts. The research of the automatic control technology is beneficial to freeing human from complex, dangerous and fussy working environment and greatly improving the control efficiency. Automatic control is a branch of engineering science. It involves automatic influence on the dynamic system using feedback principles to bring the output value close to what we want. From a process point of view, it is based on mathematical system theory. What we call automatic control today is a branch of the theory of control that arose in the middle of the twentieth century. The underlying conclusions are presented by norbert wiener, ludaff kalman.
Disclosure of Invention
The invention has at least the following two important points:
(1) the method comprises the steps of obtaining the area of a fine line on vehicle glass to determine whether repair is necessary, and simultaneously obtaining the coordinate of the fine line in an imaging image to drive a spraying mechanism to move to the position above the fine line at the glass breakage position so as to spray glass cement towards the fine line;
(2) a set of automatic repair mechanism for the fine lines at the damaged position of the glass is established, and the repair of the fine lines of the glass is completed at the minimum economic cost.
According to an aspect of the present invention, there is provided an automated fine grain repair system, the system comprising:
the glass cement storage tank is arranged in a front end cover plate of the vehicle, and glass cement with fixed capacity and used for repairing fine lines at the damaged position of glass is arranged in the glass cement storage tank;
one end of the support rod is connected with the glass cement spray head, the other end of the support rod is connected with the glass cement storage tank, and a PVC pipeline is arranged in the support rod and used for leading the glass cement from the glass cement storage tank to the glass cement spray head;
the glass cement sprayer is arranged near the A column of the vehicle and used for repairing fine lines of the glass of the vehicle based on the received fine line coordinates when receiving a spraying starting command;
when the glass cement sprayer receives the fine grain coordinates, the glass cement sprayer goes to the upper part of the fine grain at the damaged position of the glass to spray glass cement towards the fine grain;
the glass cement sprayer is characterized in that a permanent magnet brushless motor and an injection mechanism connected with the permanent magnet brushless motor are arranged in the glass cement sprayer, and the permanent magnet brushless motor is used for driving the injection mechanism to move to the upper part of the fine lines at the damaged position of the glass to spray the glass cement towards the fine lines when receiving an injection starting command;
the miniature acquisition equipment is embedded in the column A of the vehicle and is used for shooting the glass of the vehicle to obtain an instant glass image;
the micro acquisition equipment is also used for increasing the exposure of each pixel corresponding to the imaging area where the scintillation target is located and simultaneously reducing the exposure of each pixel corresponding to the imaging area where the scintillation target does not exist;
the fine grain analysis device is connected with the micro acquisition device, and is used for sending an injection starting command when the area occupied by the fine grain region in the received instant glass image exceeds the limit of the area of the instant glass image, and also used for sending an injection stopping command when the area occupied by the fine grain region in the received instant glass image does not exceed the limit of the area of the instant glass image;
and the coordinate extraction device is connected with the fine grain analysis device and used for determining the fine grain coordinates based on the position of the centroid of the fine grain area in the instant glass image when the spray starting command is received.
The automatic fine grain repairing system provided by the invention is reliable in operation and convenient to use. Because a set of automatic repair mechanism for the fine lines at the damaged positions of the glass is established, the repair of the fine lines of the glass can be completed at the minimum economic cost on the basis of reliable data detection.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram illustrating an example of a fine line at a glass break to be repaired by an automated fine line repair system in accordance with an embodiment of the present invention.
Detailed Description
An embodiment of the automated fine grain repair system of the present invention will be described in detail below with reference to the accompanying drawings.
A permanent magnet brushless motor is a permanent magnet motor that is phase-commutated or current-controlled by an electronic circuit. The permanent magnet brushless motor has two types of sine wave drive and square wave drive; the drive current is a rectangular wave, which is generally called a permanent magnet brushless dc motor, the drive current is a sine wave, which is generally called a permanent magnet ac servo motor, and the sensing type can be classified into a sensored motor and a positive sensor motor.
The permanent magnet brushless motor can be regarded as a direct current motor which replaces mechanical commutation with an electronic commutation device, and mainly comprises a synchronous motor body, a power electronic inverter, a rotor position detector and a controller. The rotor of the synchronous motor is mainly composed of a permanent magnet, a magnetizer and the like. The permanent magnet DC brushless motor mainly comprises a permanent magnet motor body, a rotor position sensor and an electronic commutation circuit. The permanent magnet dc brushless motor has many similarities with the conventional dc motor, no matter the structure or control mode: the rotor with permanent magnet is used to replace the stator magnetic pole of the brush DC motor; replacing the armature with a stator having a multi-phase winding; the mechanical commutator and brushes are replaced by an electronic commutator consisting of a solid state inverter and a shaft position detector.
At present, the vehicle trouble of traveling is discover and easy maintenance easily, in case discover the trouble of traveling, immediately drive to 4S shop can cost the solution problem, even if the trouble of traveling leads to the vehicle can't continue to operate, also can drag the vehicle to 4S shop through trailer service and carry out troubleshooting and maintenance. However, the fine lines of the vehicle glass are not easy to be found because they are tiny and do not affect the running of the vehicle, and the method of replacing the whole glass in the maintenance process cannot balance the cost and the safety.
In order to overcome the defects, the invention builds an automatic fine grain repairing system, and can effectively solve the corresponding technical problem.
FIG. 1 is a schematic diagram illustrating an example of a fine line at a glass break to be repaired by an automated fine line repair system in accordance with an embodiment of the present invention.
An automated fine line repair system is shown according to an embodiment of the present invention comprising:
the glass cement storage tank is arranged in a front end cover plate of the vehicle, and glass cement with fixed capacity and used for repairing fine lines at the damaged position of glass is arranged in the glass cement storage tank;
one end of the support rod is connected with the glass cement spray head, the other end of the support rod is connected with the glass cement storage tank, and a PVC pipeline is arranged in the support rod and used for leading the glass cement from the glass cement storage tank to the glass cement spray head;
the glass cement sprayer is arranged near the A column of the vehicle and used for repairing fine lines of the glass of the vehicle based on the received fine line coordinates when receiving a spraying starting command;
when the glass cement sprayer receives the fine grain coordinates, the glass cement sprayer goes to the upper part of the fine grain at the damaged position of the glass to spray glass cement towards the fine grain;
the glass cement sprayer is characterized in that a permanent magnet brushless motor and an injection mechanism connected with the permanent magnet brushless motor are arranged in the glass cement sprayer, and the permanent magnet brushless motor is used for driving the injection mechanism to move to the upper part of the fine lines at the damaged position of the glass to spray the glass cement towards the fine lines when receiving an injection starting command;
the miniature acquisition equipment is embedded in the column A of the vehicle and is used for shooting the glass of the vehicle to obtain an instant glass image;
the micro acquisition equipment is also used for increasing the exposure of each pixel corresponding to the imaging area where the scintillation target is located and simultaneously reducing the exposure of each pixel corresponding to the imaging area where the scintillation target does not exist;
the fine grain analysis device is connected with the micro acquisition device, and is used for sending an injection starting command when the area occupied by the fine grain region in the received instant glass image exceeds the limit of the area of the instant glass image, and also used for sending an injection stopping command when the area occupied by the fine grain region in the received instant glass image does not exceed the limit of the area of the instant glass image;
and the coordinate extraction device is connected with the fine grain analysis device and used for determining the fine grain coordinates based on the position of the centroid of the fine grain area in the instant glass image when the spray starting command is received.
Next, the detailed structure of the automated fine grain repair system of the present invention will be further described.
In the automated fine grain repair system:
the glass cement sprayer is respectively connected with the fine grain analysis equipment and the coordinate extraction equipment.
In the automated fine grain repair system:
the permanent magnet brushless motor is also used for stopping driving the spraying mechanism to go to the upper part of the fine line at the glass breakage part to face the glass glue spraying operation of the fine line when receiving the spraying stopping command.
In the automated fine grain repair system:
the flicker target is a target of which the mean square error of each pixel value of each pixel in the imaging area exceeds a preset mean square error threshold.
In the automated fine grain repair system, the system further comprises:
and the hard disk equipment is used for storing various configuration parameters of the fine grain analysis equipment.
In the automated fine grain repair system:
the hard disk equipment adopts rubber shock absorption.
In the automated fine grain repair system:
the hard disk equipment adopts steel wires to avoid vibration.
In the automated fine grain repair system:
the hard disk equipment adopts electronic shock absorption.
In the automated fine grain repair system, the system further comprises:
and the pickup equipment is positioned near the fine grain analysis equipment and is used for acquiring real-time audio data of the environment where the fine grain analysis equipment is positioned in real time.
Polyvinyl chloride (pvc), abbreviated as pvc (polyvinylchloride), is an initiator for Vinyl Chloride Monomer (VCM), such as peroxide and azo compound; or a polymer polymerized by a free radical polymerization mechanism under the action of light and heat. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins.
PVC is white powder with an amorphous structure, the branching degree is small, the relative density is about 1.4, the glass transition temperature is 77-90 ℃, decomposition starts at about 170 ℃, the stability to light and heat is poor, the PVC can be decomposed to generate hydrogen chloride at more than 100 ℃ or after long-time sunshine insolation, further the hydrogen chloride is automatically catalyzed and decomposed to cause color change, the physical and mechanical properties are also rapidly reduced, and a stabilizer must be added in practical application to improve the stability to heat and light.
The molecular weight of the PVC produced industrially is generally within the range of 5-11 ten thousand, and the PVC has larger polydispersity, and the molecular weight is increased along with the reduction of polymerization temperature; without a fixed melting point, softening begins at 80-85 ℃, the temperature of 130 ℃ becomes a viscoelastic state, and the temperature of 160-180 ℃ begins to change into a viscous state; the composite material has good mechanical properties, the tensile strength is about 60MPa, and the impact strength is 5-10 kJ/m 2; has excellent dielectric properties.
PVC has been the most widely used plastic in the world and is used in a very wide range of applications. The product has wide application in building materials, industrial products, daily necessities, floor leathers, floor tiles, artificial leathers, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, fibers and the like.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (7)
1. An automated fine grain repair system, the system comprising:
the glass cement storage tank is arranged in a front end cover plate of the vehicle, and glass cement with fixed capacity and used for repairing fine lines at the damaged position of glass is arranged in the glass cement storage tank;
one end of the support rod is connected with the glass cement spray head, the other end of the support rod is connected with the glass cement storage tank, and a PVC pipeline is arranged in the support rod and used for leading the glass cement from the glass cement storage tank to the glass cement spray head;
the glass cement sprayer is arranged near the A column of the vehicle and used for repairing fine lines of the glass of the vehicle based on the received fine line coordinates when receiving a spraying starting command;
when the glass cement sprayer receives the fine grain coordinates, the glass cement sprayer goes to the upper part of the fine grain at the damaged position of the glass to spray glass cement towards the fine grain;
the glass cement sprayer is characterized in that a permanent magnet brushless motor and an injection mechanism connected with the permanent magnet brushless motor are arranged in the glass cement sprayer, and the permanent magnet brushless motor is used for driving the injection mechanism to move to the upper part of the fine lines at the damaged position of the glass to spray the glass cement towards the fine lines when receiving an injection starting command;
the miniature acquisition equipment is embedded in the column A of the vehicle and is used for shooting the glass of the vehicle to obtain an instant glass image;
the micro acquisition equipment is also used for increasing the exposure of each pixel corresponding to the imaging area where the scintillation target is located and simultaneously reducing the exposure of each pixel corresponding to the imaging area where the scintillation target does not exist;
the fine grain analysis device is connected with the micro acquisition device, and is used for sending an injection starting command when the area occupied by the fine grain region in the received instant glass image exceeds the limit of the area of the instant glass image, and also used for sending an injection stopping command when the area occupied by the fine grain region in the received instant glass image does not exceed the limit of the area of the instant glass image;
the coordinate extraction device is connected with the fine grain analysis device and used for determining fine grain coordinates based on the position of the centroid of the fine grain area in the instant glass image when the injection starting command is received;
the glass cement sprayer is respectively connected with the fine grain analysis equipment and the coordinate extraction equipment;
the permanent magnet brushless motor is also used for stopping driving the spraying mechanism to go to the upper part of the fine line at the glass breakage part to face the glass glue spraying operation of the fine line when receiving the spraying stopping command.
2. The automated fine grain repair system of claim 1, wherein:
the flicker target is a target of which the mean square error of each pixel value of each pixel in the imaging area exceeds a preset mean square error threshold.
3. The automated fine grain repair system of claim 2, further comprising:
and the hard disk equipment is used for storing various configuration parameters of the fine grain analysis equipment.
4. The automated fine grain repair system of claim 3, wherein:
the hard disk equipment adopts rubber shock absorption.
5. The automated fine grain repair system of claim 4, wherein:
the hard disk equipment adopts steel wires to avoid vibration.
6. The automated fine grain repair system of claim 4, wherein:
the hard disk equipment adopts electronic shock absorption.
7. The automated fine grain repair system of claim 5, further comprising:
and the pickup equipment is positioned near the fine grain analysis equipment and is used for acquiring real-time audio data of the environment where the fine grain analysis equipment is positioned in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091204.XA CN110893382B (en) | 2019-11-09 | 2019-11-09 | Automatic fine grain repairing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091204.XA CN110893382B (en) | 2019-11-09 | 2019-11-09 | Automatic fine grain repairing system |
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| CN110893382A CN110893382A (en) | 2020-03-20 |
| CN110893382B true CN110893382B (en) | 2020-10-27 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2310791C2 (en) * | 2005-10-03 | 2007-11-20 | Институт механики и машиностроения Казанского научного центра Российской академии наук | Method of repairing craks in thin walled shell structures |
| US9409766B2 (en) * | 2014-01-29 | 2016-08-09 | Himax Display, Inc. | MEMS package structure and manufacturing method thereof |
| GB201608455D0 (en) * | 2016-05-13 | 2016-06-29 | Belron Internat Ltd | Break analysis system, method and device |
| CN108287164B (en) * | 2017-12-23 | 2021-03-23 | 深圳天眼激光科技有限公司 | Crack detection system |
| CN108582315A (en) * | 2018-05-04 | 2018-09-28 | 曲阜师范大学 | Plank breakage automatic mending apparatus |
| CN108986081B (en) * | 2018-06-28 | 2021-11-23 | 湖南红太阳新能源科技有限公司 | Method, device and equipment for detecting glass cracks of photovoltaic module and storage medium |
| CN208976114U (en) * | 2018-09-12 | 2019-06-14 | 泉州富桥机械有限公司 | A kind of automatic glue production line of stone slab Crack Detection |
| CN109958364B (en) * | 2018-10-29 | 2021-01-05 | 江苏新悦华节能玻璃科技有限公司 | Vehicle glass emergency protection platform |
| CN110261410A (en) * | 2019-05-24 | 2019-09-20 | 西安交通大学 | A kind of detection device and method of glass lens defect |
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Inventor after: Li Pengtao Inventor before: Zhong Lianjie |
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Effective date of registration: 20200928 Address after: Gold Tingcun Jinting town construction of 312458 Zhejiang province Shaoxing city Shengzhou City 2 Road No. 7 Applicant after: SHENGZHOU YIYUAN INVESTMENT MANAGEMENT Co.,Ltd. Address before: Room 801, building 4, No. 88, Julong South Road, Xinpu District, Lianyungang City, Jiangsu Province Applicant before: Zhong Lianjie |
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Application publication date: 20200320 Assignee: Shengzhou Wanrui Technology Co.,Ltd. Assignor: SHENGZHOU YIYUAN INVESTMENT MANAGEMENT CO.,LTD. Contract record no.: X2023980045374 Denomination of invention: Automated fine grain repair system Granted publication date: 20201027 License type: Common License Record date: 20231101 Application publication date: 20200320 Assignee: SHENGZHOU WANZHI NETWORK TECHNOLOGY CO.,LTD. Assignor: SHENGZHOU YIYUAN INVESTMENT MANAGEMENT CO.,LTD. Contract record no.: X2023980045373 Denomination of invention: Automated fine grain repair system Granted publication date: 20201027 License type: Common License Record date: 20231101 |
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Application publication date: 20200320 Assignee: Jinxuan Technology Service (Shaoxing) Co.,Ltd. Assignor: SHENGZHOU YIYUAN INVESTMENT MANAGEMENT CO.,LTD. Contract record no.: X2023980049066 Denomination of invention: Automated fine line repair system Granted publication date: 20201027 License type: Common License Record date: 20231130 |