CN108239909A - Pavement construction procedure quality information real-time monitoring system - Google Patents
Pavement construction procedure quality information real-time monitoring system Download PDFInfo
- Publication number
- CN108239909A CN108239909A CN201611205440.6A CN201611205440A CN108239909A CN 108239909 A CN108239909 A CN 108239909A CN 201611205440 A CN201611205440 A CN 201611205440A CN 108239909 A CN108239909 A CN 108239909A
- Authority
- CN
- China
- Prior art keywords
- data
- monitoring unit
- unit
- server
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Road Repair (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of pavement construction procedure quality information real-time monitoring systems, including pitch spice monitoring unit, the steady cold mixing field monitoring unit of water, Raw material processing monitoring unit, vehicle-mounted monitoring unit, wireless network transmissions unit, server, data analysis and quality judging main control unit, monitoring center, wherein pitch spice monitoring unit includes industrial personal computer, camera, data acquisition module, temperature sensor；The steady cold mixing field monitoring unit of water includes industrial personal computer, camera, data acquisition module；Raw material processing monitoring unit includes camera, and vehicle-mounted monitoring unit includes paver, vehicle-mounted camera, data acquisition module；Server includes video server, data server, and monitoring center includes PC machine, mobile client.The present invention carries out real-time automatic collecting, transmission and assay using the major parameter of wireless network transmissions and Internet information technique road pavement construction key training equipment, realizes the remote visualization monitoring and information system management of work progress.
Description
Technical field
The present invention relates to engineering construction monitoring technology field, particularly a kind of pavement construction procedure quality information real time monitoring
System.
Background technology
At present, asphalt blending station is when producing mixture, since the relevant parameters such as oil ratio, mixture drop temperature cannot
It real-time and accurately monitors, directly results in front court Asphalt Pavement Construction Quality and do not reach requirement, the airborne paving concrete pavement of paving operation
During mixture, spreading speed, temperature and thickness data information transmission channel are not smooth, and the monitoring regime is incomplete, it is difficult to and
When effectively to asphalt paving operation in paving concrete pavement pitch into Mobile state management, construction quality is difficult to be guaranteed.It crosses program-controlled
System plays an important role the quality of Asphalt Pavement Construction Quality and performance.For a long time, China's asphalt pavement construction
Method of quality control can only be detected the Pavement Performance after completion, this causes construction to detect using the pattern controlled afterwards
The data feedback time is longer, and owner, management and construction party can not grasp construction quality situation in time.It was found that during quality problems only
Output can be carried out to the part completed to spread again, both influence pavement quality, waste is serious, and delays duration problem.
Invention content
It is an object of the invention to solve problem of the prior art, a kind of pavement construction procedure quality information is provided and is supervised in real time
Control system constructs pavement construction procedure quality informationization monitoring system using wireless network transmissions and Internet information technique,
The major parameter of road pavement construction key training equipment carries out real-time automatic collecting, transmission and assay, realizes and constructed
The remote visualization monitoring and information system management of journey.The informationization monitoring system is easy to operate, stable, to ensureing that road surface is applied
The stability and offer pavement construction management level of working medium amount has important realistic function.It is anti-to solve pavement construction detection data
The feedback time is longer and owner, management and construction party can not grasp construction quality situation problem in time.
To solve the above-mentioned problems, the present invention takes what following technical scheme was realized：
A kind of pavement construction procedure quality information real-time monitoring system, including pitch spice monitoring unit, the steady cold mixing field monitoring of water
Unit, Raw material processing monitoring unit, vehicle-mounted monitoring unit, wireless network transmissions unit, server, data analysis and quality judging
Main control unit, monitoring center, wherein pitch spice monitoring unit include industrial personal computer, camera, data acquisition module, temperature sensing
Device；The steady cold mixing field monitoring unit of water includes industrial personal computer, camera, data acquisition module；Raw material processing monitoring unit includes camera shooting
Head, vehicle-mounted monitoring unit include paver, vehicle-mounted camera, data acquisition module；Server includes video server, data take
Business device, monitoring center include PC machine, mobile client；It is characterized in that：The pitch spice monitoring unit, the steady cold mixing field of water
Monitoring unit, Raw material processing monitoring unit, vehicle-mounted monitoring unit are connected respectively with wireless network transmissions unit；Described is wireless
Network transmitting unit is connected with data analysis with quality judging main control unit；The data analysis and quality judging master control list
Member is with server with being connected；The data analysis is connected with quality judging main control unit with monitoring center.
Moreover, the pitch spice monitoring unit is arranged on spice station, the directly local data from spice station industrial personal computer
Library acquires real time data, and real-time production data is intercepted by the parallel port of industrial personal computer, obtains the data acquisition of pitch spice.
Moreover, the steady cold mixing field monitoring unit of the water is arranged on the steady cold mixing field of water, by capturing blending station industrial personal computer
Display interfaces carry out pictograph identification, and to water, steady cold mixing field carries out data acquisition.
Moreover, the Raw material processing monitoring unit is detected material content in charging and discharging two benches.
Moreover, the vehicle-mounted monitoring unit is arranged on paver, using the vehicle power supply of paver, on paver
Installation data acquisition module, the speed of travel of the main paving material and paver for acquiring mixture, and pass through vehicle-mounted camera
The video of real-time collection site.
Moreover, the wireless network transmissions unit develops automatic data collection program and using 4G wireless networks to pitch
The major parameter of key equipment carries out acquisition in real time and transmission during pavement construction, the construction quality data of collection in worksite and regards
Frequency passes through 4G wireless networks real-time Transmission to server.
Moreover, the data analysis and quality judging main control unit the generation data for being transferred to server are carried out and
When, dynamic statistical analysis evaluation and feedback, alarm the data for exceeding threshold values, feed back information to supervision side and construct
The related personnel of side in order to which engineering relevant unit corrects and adjusts in time, ensures construction quality.
Moreover, the server according to the title of project, bid section, work area number, device number, mixed type, the unit,
The form of time carries out storage data, is especially to increase to set producting proportion, best oil than powder ratio in data storage
The parameters such as example are the script of criterion.
The advantages and positive effects of the present invention are：
1st, the present invention develops automatic data collection program and wireless network transmissions road pavement work progress important parameter is utilized to carry out
Acquisition in real time and transmission to the parameter of acquisition acquire in real time, be transmitted, dynamic analysis by the data analysis evaluation of rear research and development
With judgement, dynamic mining again, and initial data and evaluation result issued in the form of Visual Chart and internet, it is right
Construction information more than threshold values realizes that Mobile SMS is automatically reminded to alarm, and owner, management and construction party is made to grasp construction feelings in time
Condition is pinpointed the problems, and is corrected in time, to realize the monitoring of the remote visualization of pavement construction process control and work progress and pipe
Reason realizes the Asphalt Pavement Construction Quality process control of real meaning, ensures construction quality stability, and it is horizontal to improve Construction control
Management level.
Description of the drawings
Fig. 1 is system structural framework schematic diagram；
Fig. 2 is program circuit schematic diagram.
Specific embodiment
Technical scheme of the present invention is described in detail below in conjunction with the accompanying drawings：
A kind of pavement construction procedure quality information real-time monitoring system of the present invention as shown in Figure 1, including pitch spice monitoring unit,
The steady cold mixing field monitoring unit of water, Raw material processing monitoring unit, vehicle-mounted monitoring unit, wireless network transmissions unit, server, data
Analysis and quality judging main control unit, monitoring center, wherein pitch spice monitoring unit include industrial personal computer, camera, data and adopt
Collect module, temperature sensor；The steady cold mixing field monitoring unit of water includes industrial personal computer, camera, data acquisition module；Raw material processing is supervised
It controls unit and includes camera, vehicle-mounted monitoring unit includes paver, vehicle-mounted camera, data acquisition module；Server includes regarding
Frequency server, data server, monitoring center include PC machine, mobile client；It is characterized in that：The pitch spice monitoring
The steady cold mixing field monitoring unit of unit, water, Raw material processing monitoring unit, vehicle-mounted monitoring unit respectively with wireless network transmissions unit phase
Connection；The wireless network transmissions unit is connected with data analysis with quality judging main control unit；The data analysis
With quality judging main control unit with server with being connected；The data analysis and quality judging main control unit and monitoring center
It is connected.
As shown in Figure 1 and Figure 2, pitch spice monitoring unit is arranged on the material station that pitch is mixed, directly from the local number at spice station
Real time data is acquired according to library, real-time production data is intercepted by the parallel port of industrial personal computer, obtains the data acquisition of pitch spice.Construction
On-site data gathering and video monitoring mainly process asphalt blending station inorganic colloid methoder blending station, raw material
.The paver of asphalt carries out the extraction and acquisition of work progress quality information and video.
Pitch mixes and stirs monitoring unit and the process of mixing and stirring of pitch is monitored in real time, directly the sheet from the industrial personal computer of blending station
Ground database acquisition real time data, by intercepting the real time data of industrial personal computer, reads the data file on industrial personal computer, will collect
Data need according to preset agreement carry out data processing.The mode of data acquisition is by obtaining the letter of the industrial personal computer of blending station
It ceases interface and carries out image identification, obtain the data mixed and stirred of pitch, for the data for mixing and stirring generation, the every disk asphalt of analysis
Oil dynamic wave cardon more real-time than the parameter of the data ratio of, each hot aggregate bin.
The steady cold mixing field monitoring unit acquisition cement dose of water prepares the mixture of different proportion, monitors each group of mixture
Optimum moisture content and maximal density.Sampling is detected whether to meet the match ratio of design, water content, the data of detection be carried out whole
Conjunction is handled.
Vehicle-mounted monitoring unit utilizes the vehicle power supply of paver, the row of the main paving material and paver for acquiring mixture
Speed is walked, and the video monitoring of paving site is realized by vehicle-mounted camera, the collected temperature of institute and speed are all by work
Signal digitized processing is carried out on control machine, in the server that a distant place is sent to by wireless network transmissions unit, is stored in data
In server, the accuracy of data and when property ensure that.
The speed of travel of paver mainly directly reads signal by signal interception way from paver control system, then
Its speed of travel is obtained by Digital Signal Processing.
The paving material of mixture is tested in the acquisition of mixing material paving material using high-precision temperature sensor, non-to connect
The temperature sensor of touch detects the surface temperature of mixture, and surface temperature is lower than internal temperature, therefore passes through data point
Analysis is modified the numerical value measured with quality judging main control unit, to obtain correction-compensation temperature, with each temperature sensing
The paving material of the sum of the average value of device test value and compensation temperature as mixture, the acquisition frequency range of paving material are set as 30
Second is every time.
Server is according to project name, bid section, work area number, device number, mix type, affiliated layer position, the time, form
Store data.Digital data is increased when storing using foundation of the producting proportion, best oil set than parameter as criterion, with
Exempt to occur mistake in data storage procedure or omit.
Data analysis carries out timely, dynamic statistical with quality judging main control unit to the data for being transferred to server
Analysis, evaluation and feedback, the critical construction parameter mixed and stirred and paved to asphalt carry out dynamic evaluation and feedback in real time, with
Visual chart shows average result, alarms the data for exceeding threshold values, and pass through mobile terminal and send information to item
The related personnel of mesh Construction Party, management and construction party in order to which engineering relevant unit corrects and adjusts in time, ensure construction matter
Amount.
For blending station generate data, analysis often the oil ratio of the mixture of disk pitch, gather materials ratio, asphalt heating temperature
And mixture drop temperature.For cement stabilized soil blending station analyze the interior weight ratio respectively fed per minute by analysis result with
Design threshold values is compared, and is alarmed the data for exceeding threshold values, analyzed in real time when logical the same day each parameter accumulation qualification rate,
Standard deviation and the coefficient of variation draw oil than, the real-time dynamic wave cardon of each temperature data, cement dose and water content parameter,
According to mixed proportion and the same day newest data results, technology and the grading curve figure for drawing no disk mixture, according to face
Channel type and date of manufacture carry out daily output and production statistics, according to the dosage demand of engineering project, carry out production capacity
Analysis, it is ensured that the production capacity mixed and stirred can match project scale and dosage demand.
It is emphasized that embodiment of the present invention is illustrative rather than limited, therefore the present invention is simultaneously
The embodiment described in specific embodiment is not limited to, it is every to be obtained according to the technique and scheme of the present invention by those skilled in the art
Other embodiment, also belong to the scope of protection of the invention.
Claims (8)
1. a kind of pavement construction procedure quality information real-time monitoring system, including pitch spice monitoring unit, the steady cold mixing field prison of water
Control unit, Raw material processing monitoring unit, vehicle-mounted monitoring unit, wireless network transmissions unit, server, data analysis and quality are sentenced
Determine main control unit, monitoring center, wherein pitch spice monitoring unit includes industrial personal computer, camera, data acquisition module, temperature biography
Sensor；The steady cold mixing field monitoring unit of water includes industrial personal computer, camera, data acquisition module；Raw material processing monitoring unit includes taking the photograph
As head, vehicle-mounted monitoring unit includes paver, vehicle-mounted camera, data acquisition module；Server includes video server, data
Server, monitoring center include PC machine, mobile client；It is characterized in that：The pitch spice monitoring unit, the steady cold mixing of water
Field monitoring unit, Raw material processing monitoring unit, vehicle-mounted monitoring unit are connected respectively with wireless network transmissions unit；The nothing
Line network transmitting unit is connected with data analysis with quality judging main control unit；The data analysis and quality judging master control
Unit is with server with being connected；The data analysis is connected with quality judging main control unit with monitoring center.
2. a kind of pavement construction procedure quality information real-time monitoring system according to claim 1, it is characterised in that：It is described
Pitch spice monitoring unit be arranged on spice station, directly from the local data base of spice station industrial personal computer acquire real time data, lead to
The parallel port interception real-time production data of industrial personal computer is crossed, obtains the data acquisition of pitch spice.
3. a kind of pavement construction procedure quality information real-time monitoring system according to claim 1, it is characterised in that：It is described
The steady cold mixing field monitoring unit of water be arranged on the steady cold mixing field of water, by capture blending station industrial personal computer display interfaces carry out image
Text region, to water, steady cold mixing field carries out data acquisition.
4. a kind of pavement construction procedure quality information real-time monitoring system according to claim 1, it is characterised in that：It is described
Raw material processing monitoring unit charging with discharge two benches material content is detected.
5. a kind of pavement construction procedure quality information real-time monitoring system according to claim 1, it is characterised in that：It is described
Vehicle-mounted monitoring unit be arranged on paver, using the vehicle power supply of paver, the installation data acquisition module on paver,
The paving material of main acquisition mixture and the speed of travel of paver, and pass through regarding for the real-time collection site of vehicle-mounted camera
Frequently.
6. a kind of pavement construction procedure quality information real-time monitoring system according to claim 1, it is characterised in that：It is described
Wireless network transmissions unit exploitation automatic data collection program and using 4G wireless networks to being closed in construction process of asphalt pavement
The major parameter of button apparatus carries out acquisition in real time and transmission, and the construction quality data and video of collection in worksite pass through 4G wireless networks
Real-time Transmission is to server.
7. a kind of pavement construction procedure quality information real-time monitoring system according to claim 1, it is characterised in that：It is described
Data analysis and quality judging main control unit timely, dynamic statistical analysis carried out to the generation data for being transferred to server comment
Valency and feedback, alarm to the data for exceeding threshold values, feed back information to the related personnel of supervision side and construction party, in order to
Engineering relevant unit corrects in time and adjustment, ensures construction quality.
8. a kind of pavement construction procedure quality information real-time monitoring system according to claim 1, it is characterised in that：It is described
Server deposited according to the title of project, bid section, work area number, device number, mixed type, the unit, the form of time
Data are stored up, in data storage are especially increased to set producting proportion, best oil than parameters such as powder ratios as judgement mark
Accurate script.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205440.6A CN108239909A (en) | 2016-12-23 | 2016-12-23 | Pavement construction procedure quality information real-time monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205440.6A CN108239909A (en) | 2016-12-23 | 2016-12-23 | Pavement construction procedure quality information real-time monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108239909A true CN108239909A (en) | 2018-07-03 |
Family
ID=62704089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611205440.6A Pending CN108239909A (en) | 2016-12-23 | 2016-12-23 | Pavement construction procedure quality information real-time monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108239909A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737792A (en) * | 2018-07-15 | 2018-11-02 | 河南中建西部建设有限公司 | A kind of visualization device for monitoring distal end working performance of concrete |
| CN109302487A (en) * | 2018-10-30 | 2019-02-01 | 广西交投科技有限公司 | Highway project quality administration information system based on cloud platform |
| CN109355998A (en) * | 2018-11-30 | 2019-02-19 | 郑健龙 | Mobile bitumen mixture mixes and stirs operating method and its device |
| CN109781572A (en) * | 2019-02-27 | 2019-05-21 | 长安大学 | A kind of real-time monitoring system and method for test of gathering materials |
| CN111553585A (en) * | 2020-04-24 | 2020-08-18 | 天津大学 | System and method for monitoring mixing quality of core wall asphalt mixture in real time |
| CN112734301A (en) * | 2021-02-03 | 2021-04-30 | 四川川交路桥有限责任公司 | Road surface rolling operation supervision system and method based on Internet of things |
| CN113481784A (en) * | 2021-07-06 | 2021-10-08 | 蔡金一 | Temperature correction method for 0-20 ℃ deflection value of inorganic binder stabilized base layer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120321386A1 (en) * | 2011-06-15 | 2012-12-20 | Joseph Vogele Ag | Road paver with layer thickness measuring device |
| CN103336499A (en) * | 2013-06-19 | 2013-10-02 | 中山市拓维电子科技有限公司 | System and method of dynamic management for construction quality of asphalt concrete pavement |
| CN203758546U (en) * | 2014-03-13 | 2014-08-06 | 长沙建研信息技术有限公司 | Dynamic monitoring system for onsite road construction |
| CN104503410A (en) * | 2014-12-23 | 2015-04-08 | 江苏东交工程检测有限公司 | Asphalt pavement construction quality control system and method |
-
2016
- 2016-12-23 CN CN201611205440.6A patent/CN108239909A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120321386A1 (en) * | 2011-06-15 | 2012-12-20 | Joseph Vogele Ag | Road paver with layer thickness measuring device |
| CN103336499A (en) * | 2013-06-19 | 2013-10-02 | 中山市拓维电子科技有限公司 | System and method of dynamic management for construction quality of asphalt concrete pavement |
| CN203758546U (en) * | 2014-03-13 | 2014-08-06 | 长沙建研信息技术有限公司 | Dynamic monitoring system for onsite road construction |
| CN104503410A (en) * | 2014-12-23 | 2015-04-08 | 江苏东交工程检测有限公司 | Asphalt pavement construction quality control system and method |
Non-Patent Citations (1)
| Title |
|---|
| 董刚: "沥青路面施工过程质量信息实时监控***研究", 《公路交通科技》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737792A (en) * | 2018-07-15 | 2018-11-02 | 河南中建西部建设有限公司 | A kind of visualization device for monitoring distal end working performance of concrete |
| CN109302487A (en) * | 2018-10-30 | 2019-02-01 | 广西交投科技有限公司 | Highway project quality administration information system based on cloud platform |
| CN109355998A (en) * | 2018-11-30 | 2019-02-19 | 郑健龙 | Mobile bitumen mixture mixes and stirs operating method and its device |
| CN109355998B (en) * | 2018-11-30 | 2024-02-06 | 郑健龙 | Mobile asphalt mixture mixing operation method and device thereof |
| CN109781572A (en) * | 2019-02-27 | 2019-05-21 | 长安大学 | A kind of real-time monitoring system and method for test of gathering materials |
| CN109781572B (en) * | 2019-02-27 | 2022-05-17 | 长安大学 | Real-time monitoring system and method for aggregate test |
| CN111553585A (en) * | 2020-04-24 | 2020-08-18 | 天津大学 | System and method for monitoring mixing quality of core wall asphalt mixture in real time |
| CN112734301A (en) * | 2021-02-03 | 2021-04-30 | 四川川交路桥有限责任公司 | Road surface rolling operation supervision system and method based on Internet of things |
| CN113481784A (en) * | 2021-07-06 | 2021-10-08 | 蔡金一 | Temperature correction method for 0-20 ℃ deflection value of inorganic binder stabilized base layer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108239909A (en) | Pavement construction procedure quality information real-time monitoring system | |
| CN103336499A (en) | System and method of dynamic management for construction quality of asphalt concrete pavement | |
| Liu et al. | Real-time quality monitoring and control of highway compaction | |
| CN109302487A (en) | Highway project quality administration information system based on cloud platform | |
| CN103324177B (en) | Cement concrete production run dynamic quality remote monitoring system and method thereof | |
| CN110458975B (en) | Asphalt mixture mixing process monitoring system and method | |
| CN104175401A (en) | Dynamic regulating system of mix proportion of concrete mixing plant | |
| CN202443300U (en) | Dynamic quality remote monitoring system for asphalt mixture paving and rolling | |
| CN108803312B (en) | Novel road damage detecting system | |
| CN104746414B (en) | Real-time monitoring method for pavement thickness and construction temperature of asphalt pavement | |
| CN108334668A (en) | Consider the earth and rockfill dam compaction quality method for quick predicting that parameter uncertainty influences | |
| CN104503410A (en) | Asphalt pavement construction quality control system and method | |
| Liu et al. | A real-time monitoring system for lift-thickness control in highway construction | |
| CN103425115A (en) | Intermittent production graduation real-time monitoring system and method of hot-mix asphalt mixture | |
| CN205665698U (en) | Soil environment monitor information automatic acquisition and analytic system | |
| CN203429539U (en) | High-precision quality control system for construction quality of bituminous pavement | |
| CN105652835A (en) | Intelligent system for intelligent compaction monitoring of road subgrade and pavement | |
| CN104458542A (en) | Non-contact gravel aggregate grain size and grain shape detector and detection method | |
| CN102400431B (en) | Automatic detection and controlling method for asphalt mixture | |
| CN109165450A (en) | A kind of intelligent coal-fired silo management system and method | |
| CN108978666B (en) | Intelligent grouting process method and system | |
| CN108978420A (en) | A kind of high road pavement construction Quality Remote Monitoring System | |
| CN201060408Y (en) | Roller compaction monitoring system | |
| CN105150383A (en) | Dynamic monitoring system of production process of cement concrete mixing station | |
| CN203275403U (en) | Compactness measuring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180703 |
|
| WD01 | Invention patent application deemed withdrawn after publication |