CN101915664A - Digital full functional water nozzle test system - Google Patents
Digital full functional water nozzle test system Download PDFInfo
- Publication number
- CN101915664A CN101915664A CN2010102757111A CN201010275711A CN101915664A CN 101915664 A CN101915664 A CN 101915664A CN 2010102757111 A CN2010102757111 A CN 2010102757111A CN 201010275711 A CN201010275711 A CN 201010275711A CN 101915664 A CN101915664 A CN 101915664A
- Authority
- CN
- China
- Prior art keywords
- water
- gas
- valve
- nozzle
- distribution
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a digital full functional water nozzle test system, which comprises a circulating energy station providing power for a test, a moisture console used for realizing moisture distribution, throttling and counting and a field simulation nozzle water content distribution test bed. The three parts are independent from one another and connected sequentially by pipeline interfaces; all metering devices adopt digital intelligent meters and collect corresponding data which can be input in a computer for processing; the structural styles of the flow distributor of the field simulation nozzle water content distribution test bed are grooves separated by parallel guide plates with the same width; and a transparent glass container below is used as a metering device. By using the system, the flow of a single nozzle and the relation between the spray angle and the flow distribution can be not only measured, also the test of the relation between the spray flow and the flow distribution can be carried out under the condition that a plurality of nozzles mutually interfere; the optimal design of the nozzle can be carried out secondarily, and the digital full functional water nozzle test system has the characteristics of high digitization degree and strong function.
Description
Technical field
Patent of the present invention relates to a kind ofly tests the testing table of detection to various (operating) water nozzles, and a kind of specifically digital hydraulic system that can carry out simply arriving complicated various nozzles tests belongs to the detection inspection machine of (operating) water nozzle.
Background technology
Used nozzle testing stand can only be estimated and be carried out the test of simple and direct nozzle, can not carry out real-time data output, also just can not accurately control and accurately know the flow of nozzle.And at the problem of interfering mutually between multi-nozzle, existing testing equipment can not be checked accurately.
Used in addition nozzle testing stand can not carry out the test that discharge distributes, and the design has added nozzle water distribution testing table.Not only can measure the flow of single-nozzle and the relation between spray angle and the flow distribution, can also carry out between multi-nozzle mutually under the interference situation relation between injection flow and the flow distribution.Utilize this testing table, can carry out the nozzle distribution test.Promptly under the certain situation of injection flow, select for use what nozzles under great expulsion pressure, can make the flow distribution of injection reach preferably the most even, reach optimized design.
Summary of the invention
At above defective, the invention provides a kind of particular structure of digital full functional water nozzle testing table, adopt relatively independent testing table cycle energy station, aqueous vapor control desk and in-site modeling nozzle water distribution testing table three parts, can carry out different combinations, thereby carry out different nozzle tests.
For achieving the above object, the present invention is achieved through the following technical solutions:
Digital full functional water nozzle test system, be included as test the cycle energy station of power be provided, be used to realize the aqueous vapor control desk and the in-site modeling nozzle water distribution testing table of aqueous vapor distribution, throttling, metering, three parts are independent separately, connect by pipe joint successively, all measuring instruments all adopt the digital intelligent instrument, and it gathers corresponding data can import Computer Processing; Described its flow distributor version of in-site modeling nozzle water distribution testing table is that parallel fair water fin is divided into the identical groove of width, and the below adopts transparent glass container as measuring apparatus.
Testing table cycle energy station, mainly be to be used for providing power to testing table, comprise water tank, electric-motor pump device, non-return valve, surplus valve, electronic thermometer, magnetic float liquidlevel meter, tensimeter and ball valve, the electric-motor pump device flows to the steam control desk with water in water tank, and pipeline is provided with non-return valve, ball valve, draws overflow passage and surplus valve is set on pipeline on the downstream pipeline of non-return valve; Electronic thermometer and magnetic float liquidlevel meter are installed on water tank, and the bottom of water tank is provided with inlet pipeline and pipeline is provided with ball valve;
The electric-motor pump device is the core of system, and main power is provided.Surplus valve is used to regulate the also top pressure of restriction system.Electronic thermometer and magnetic float liquidlevel meter detect the temperature and the water level of water tank respectively, and Realtime Alerts.
The aqueous vapor control desk mainly is to cooperate the cycle energy station that nozzle is carried out conventional test.Comprise gas with ball valve, source of the gas three linked piece, gas with reduction valve, throttling valve, gas with flowmeter and LED digital indicator, ball valve, electric terminal case, gas with tensimeter, gas with rapid-acting coupling, water with rapid-acting coupling, water with tensimeter, water with ball valve, water ga(u)ge and LED digital indicator, water with throttling valve and water filter;
Water from testing table cycle energy station once passes through water filter, water throttling valve, and, be disposed with water throttling valve, water ga(u)ge and LED digital indicator, water ball valve, water tensimeter, water rapid-acting coupling on each branch road at a plurality of branch roads of downstream pipeline parallel connection of water with throttling valve; Gas from source of the gas passes through gas ball valve, source of the gas three linked piece successively, and at the downstream of source of the gas three linked piece pipeline a plurality of branch roads in parallel, install successively on each branch road gas with reduction valve, throttling valve, gas with flowmeter and LED digital indicator, ball valve, electric terminal case, gas with tensimeter, gas rapid-acting coupling.
The application of flowmeter and LED digital indicator in the aqueous vapor control loop can be carried out the real-time output of flow, and carries out the collection of test figure with microcomputer, is very important for accurate test control and interpretation of result.
In-site modeling nozzle water distribution testing table can cooperate the cycle energy station to carry out the flow distribution test of nozzle.Comprise castor, distribution measurer, ball valve, high-pressure rubber pipe, fair water fin, water drain valve, water conservancy diversion mouth, support, conveying device, castor is positioned at the bottom, play the effect of support, arrange distribution measurer at inner bottom part, the top of distribution measurer is ball valve, high-pressure rubber pipe, the nozzle to be measured of a plurality of parallel series connection, also is provided with fair water fin between nozzle to be measured and distribution measurer.
Relatively independent three parts can be carried out different combinations, thereby carry out different nozzle tests.Testing table cycle energy station can be used as a power unit and uses separately.Testing table cycle energy station and aqueous vapor control desk cooperate the nozzle test of carrying out routine.Testing table cycle energy station and in-site modeling nozzle water distribution testing table cooperate can carry out the in-site measurement that nozzle flow distributes, so not only convenient but also suitable fast.
The ingenious design of in-site modeling nozzle water distribution testing table, flow distributor is made up of with the transparent glass tube of water conservancy diversion mouth adapted a row, the water yield that drops on like this in the flow distribution measuring appliance just can intuitively be seen, if replace transparent glass tube with a discharge capacity tube, can also accurately measure flow distribution.This equipment uses at the scene, and economical convenient directly perceived again.
Description of drawings
Fig. 1 is the one-piece construction figure of digital full functional nozzle pilot system;
Fig. 2 is the schematic diagram at testing table cycle energy station;
Fig. 3 is the aqueous vapor control principle figure of steam control desk;
Fig. 4 is the schematic diagram of in-site modeling nozzle water distribution testing table;
Fig. 5 is the front view of in-site modeling nozzle water distribution testing table;
Fig. 6 is the side view of in-site modeling nozzle water distribution testing table.
Embodiment
According to embodiment and accompanying drawing the present invention is described in further detail below.
As shown in Figure 1, digital full functional water nozzle test system, be included as test the cycle energy station 1 of power be provided, be used to realize the aqueous vapor control desk 2 and the in-site modeling nozzle water distribution testing table 3 of aqueous vapor distribution, throttling, metering, three parts are independent separately, connect by pipe joint successively, all measuring instruments all adopt the digital intelligent instrument, and it gathers corresponding data can import Computer Processing; Described its flow distributor version of in-site modeling nozzle water distribution testing table is that parallel fair water fin is divided into the identical groove of width, and the below adopts transparent glass container as measuring apparatus.
As shown in Figure 2, testing table cycle energy station 1, mainly be to be used for providing power to testing table, comprise water tank 101, electric-motor pump device 102, non-return valve 103, surplus valve 104, electronic thermometer 105, magnetic float liquidlevel meter 106, tensimeter 107 and ball valve 108,109, electric-motor pump device 102 is from the water tank 101 interior steam control desks that water flowed to conventional nozzle testing table 2, and pipeline is provided with non-return valve 103, ball valve 109, draws overflow passage and surplus valve 104 is set on pipeline on the downstream pipeline of non-return valve 103; Electronic thermometer 105 and magnetic float liquidlevel meter 106 are installed on water tank 101, and the bottom of water tank is provided with inlet pipeline and pipeline is provided with ball valve 108;
Electric-motor pump device 102 is cores of system, and main power is provided.Surplus valve 104 is used to regulate the also top pressure of restriction system.Electronic thermometer 105 and magnetic float liquidlevel meter 106 detect the temperature and the water level of water tank 101 respectively, and Realtime Alerts.
As shown in Figure 3, aqueous vapor control desk 2 mainly is to cooperate 1 pair of nozzle in cycle energy station 306 to carry out conventional test.Comprise gas with ball valve 201, source of the gas three linked piece 202, gas with reduction valve 203, throttling valve 204, gas with flowmeter and LED digital indicator 205, ball valve 206, electric terminal case 207, gas with tensimeter 208, gas with rapid-acting coupling 209, water with rapid-acting coupling 210, water with tensimeter 211, water with ball valve 212, water ga(u)ge and LED digital indicator 213, water with throttling valve 214,215 and water filter 216;
Water from testing table cycle energy station 1 once passes through water filter 216, water throttling valve 215, and at water with the downstream pipeline of throttling valve 215 a plurality of branch roads in parallel, be disposed with on each branch road water with throttling valve 214, water ga(u)ge and LED digital indicator 213, water with ball valve 212, water with tensimeter 211, water with rapid-acting coupling 210; Gas from source of the gas passes through gas ball valve 201, source of the gas three linked piece 202 successively, and at the downstream of source of the gas three linked piece 202 pipeline a plurality of branch roads in parallel, install successively on each branch road gas with reduction valve 203, throttling valve 204, gas with flowmeter and LED digital indicator 205, ball valve 206, electric terminal case 207, gas with tensimeter 208, gas with rapid-acting coupling 209.
The application of flowmeter and LED digital indicator 213 can be carried out the real-time output of flow in the aqueous vapor control desk 2 aqueous vapor control loops, and carries out the collection of test figure with microcomputer, is very important for accurate test control and interpretation of result.
As shown in Figure 4, and in conjunction with Fig. 5, Fig. 6, in-site modeling nozzle water distribution testing table 3, the flow distribution that can cooperate cycle energy station 1 to carry out nozzle 306 is tested.Comprise castor 301, distribution measurer 302, ball valve 303, high-pressure rubber pipe 304, fair water fin 305, water drain valve 307, water conservancy diversion mouth 308, support 309, conveying device 310, castor 301 is positioned at the bottom, play the effect of support, arrange distribution measurer 302 at inner bottom part, the top of distribution measurer 302 is ball valve 303, high-pressure rubber pipe 304, the nozzle to be measured 306 of a plurality of parallel series connection, also is provided with fair water fin between nozzle 306 to be measured and distribution measurer 302.
Relatively independent three parts can be carried out different combinations, thereby carry out different nozzle tests.Testing table cycle energy station can be used as a power unit and uses separately.Testing table cycle energy station and aqueous vapor control desk cooperate the nozzle test of carrying out routine.Testing table cycle energy station and in-site modeling nozzle water distribution testing table cooperate can carry out the in-site measurement that nozzle flow distributes, so not only convenient but also suitable fast.
The ingenious design of in-site modeling nozzle water distribution testing table 3, flow distributor is made up of with the transparent glass tube of water conservancy diversion mouth adapted a row, the water yield that drops on like this in the flow distribution measuring appliance just can intuitively be seen, if replace transparent glass tube with a discharge capacity tube, can also accurately measure flow distribution.This equipment uses at the scene, and economical convenient directly perceived again.
1, according to above-mentioned description to patented product, its first characteristics are exactly the structure of its uniqueness. Relatively independent three parts can be carried out different combinations, thereby carry out different nozzle tests, and are convenient and swift. Testing platform cycle energy station can be used as a power unit and uses separately. Testing stand cycle energy station and aqueous vapor console cooperate the nozzle test of carrying out routine. Testing stand cycle energy station and in-site modeling nozzle water distribution testing stand cooperate can carry out the in-site measurement that nozzle flow distributes.
2, according to above-mentioned description to patented product, its second characteristic is exactly the application of flowmeter and LED digital display in its aqueous vapor control loop, can carry out the real-time output of flow, and carry out the collection of test data with microcomputer, be very important for accurate controlling test and interpretation of result.
3, another characteristics of this digital full functional water nozzle testing stand just are the ingehious design of in-site modeling nozzle water distribution testing stand. Nozzle water distribution testing stand is made up of castor, support, conveying device, distribution measurer, deflector, test nozzles, discharging valve and flow-guiding mouth. Wherein deflector is to be formed by groove arrangement one by one. When nozzle operation, water drops on the deflector, and flows along deflector, finally in flow-guiding mouth flows to distribution measurer. Flow distributor is made up of with the transparent glass tube of flow-guiding mouth adapted a row, and the water yield that drops on like this in the flow distribution measuring appliance just can intuitively be seen. If replace transparent glass tube with a discharge capacity tube, can also accurately measure flow distribution. This equipment uses at the scene, and economical convenient again directly perceived.
Claims (3)
1. digital full functional water nozzle test system is included as and tests the cycle energy station (1) that power is provided, aqueous vapor control desk (2) and the in-site modeling nozzle water distribution testing table (3) that is used to realize aqueous vapor distribution, throttling, metering, it is characterized in that,
Testing table cycle energy station (1), comprise water tank (101), electric-motor pump device (102), non-return valve (103), surplus valve (104), electronic thermometer (105), magnetic float liquidlevel meter (106), tensimeter (107) and ball valve (108,109), electric-motor pump device (102) flows to steam control desk (2) with water in water tank (101), and pipeline is provided with non-return valve (103), ball valve (109), draws overflow passage on the downstream pipeline of non-return valve (103) and surplus valve (104) is set on pipeline;
Aqueous vapor control desk (2), comprise gas with ball valve (201), source of the gas three linked piece (202), gas with reduction valve (203), throttling valve (204), gas with flowmeter and LED digital indicator (205), ball valve (206), electric terminal case (207), gas with tensimeter (208), gas with rapid-acting coupling (209), water with rapid-acting coupling (210), water with tensimeter (211), water with ball valve (212), water ga(u)ge and LED digital indicator (213), water with throttling valve (214,215) and water filter (216);
Water from testing table cycle energy station (1) once passes through water filter (216), water throttling valve (215), and at water with the downstream pipeline of throttling valve (215) a plurality of branch roads in parallel, be disposed with on each branch road water with throttling valve (214), water ga(u)ge and LED digital indicator (213), water with ball valve (212), water with tensimeter (211), water with rapid-acting coupling (210); Gas from source of the gas passes through gas ball valve (201), source of the gas three linked piece (202) successively, and at the downstream of source of the gas three linked piece (202) pipeline a plurality of branch roads in parallel, install successively on each branch road gas with reduction valve (203), throttling valve (204), gas with flowmeter and LED digital indicator (205), ball valve (206), electric terminal case (207), gas with tensimeter (208), gas with rapid-acting coupling (209);
In-site modeling nozzle water distribution testing table (3), comprise castor (301), distribution measurer (302), ball valve (303), high-pressure rubber pipe (304), fair water fin (305), water drain valve (307), water conservancy diversion mouth (308), support (309), conveying device (310), castor (301) is positioned at the bottom, play the effect of support, arrange distribution measurer (302) at inner bottom part, the top of distribution measurer (302) is ball valve (303), high-pressure rubber pipe (304), the nozzle to be measured (306) of a plurality of parallel series connection.
2. digital full functional water nozzle test system according to claim 1, it is characterized in that, electronic thermometer (105) and magnetic float liquidlevel meter (106) are installed on water tank (101), and the bottom of water tank is provided with inlet pipeline and pipeline is provided with ball valve (108).
3. digital full functional water nozzle test system according to claim 1 is characterized in that, also is provided with fair water fin between nozzle to be measured (306) and distribution measurer (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010275711 CN101915664B (en) | 2010-09-08 | 2010-09-08 | Digital full functional water nozzle test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010275711 CN101915664B (en) | 2010-09-08 | 2010-09-08 | Digital full functional water nozzle test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101915664A true CN101915664A (en) | 2010-12-15 |
| CN101915664B CN101915664B (en) | 2013-05-08 |
Family
ID=43323226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010275711 Expired - Fee Related CN101915664B (en) | 2010-09-08 | 2010-09-08 | Digital full functional water nozzle test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101915664B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735432A (en) * | 2011-04-13 | 2012-10-17 | 胡旭东 | Spraying detection system |
| CN103868748A (en) * | 2014-03-14 | 2014-06-18 | 唐山市德龙钢铁有限公司 | Water flow characteristic detection platform and method for atomizing nozzle |
| CN107393617A (en) * | 2017-06-23 | 2017-11-24 | 西安交通大学 | A kind of nuclear reactor safety shell spraying ring pipe Optimization Design |
| CN109115485A (en) * | 2018-10-23 | 2019-01-01 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
| CN109141864A (en) * | 2018-10-23 | 2019-01-04 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
| CN109946060A (en) * | 2019-04-17 | 2019-06-28 | 中交疏浚技术装备国家工程研究中心有限公司 | Multi-parameter is adjustable high pressure nozzle performance development test platform |
| CN114414203A (en) * | 2021-12-16 | 2022-04-29 | 苏州天河中电电力工程技术有限公司 | Test bed for submerged jet cleaning process of heat transfer pipe of condenser and test method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743830A (en) * | 2005-09-22 | 2006-03-08 | 将军烟草集团有限公司 | Mixed nozzle measuring device |
| CN2849654Y (en) * | 2005-11-09 | 2006-12-20 | 农业部南京农业机械化研究所 | Precision test-bed for comprehensive performance of blow head |
| KR100831020B1 (en) * | 2007-06-18 | 2008-05-20 | 주식회사 케이에스비 | Testing apparatus of water injecting nozzle for an automobile |
| CN101226109A (en) * | 2007-11-06 | 2008-07-23 | 江苏工业学院 | Method and apparatus for automatically detecting spray angle of nozzle |
-
2010
- 2010-09-08 CN CN 201010275711 patent/CN101915664B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743830A (en) * | 2005-09-22 | 2006-03-08 | 将军烟草集团有限公司 | Mixed nozzle measuring device |
| CN2849654Y (en) * | 2005-11-09 | 2006-12-20 | 农业部南京农业机械化研究所 | Precision test-bed for comprehensive performance of blow head |
| KR100831020B1 (en) * | 2007-06-18 | 2008-05-20 | 주식회사 케이에스비 | Testing apparatus of water injecting nozzle for an automobile |
| CN101226109A (en) * | 2007-11-06 | 2008-07-23 | 江苏工业学院 | Method and apparatus for automatically detecting spray angle of nozzle |
Non-Patent Citations (1)
| Title |
|---|
| 党建军等: "大流量可调喷嘴设计与实验研究", 《机床与液压》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735432A (en) * | 2011-04-13 | 2012-10-17 | 胡旭东 | Spraying detection system |
| CN103868748A (en) * | 2014-03-14 | 2014-06-18 | 唐山市德龙钢铁有限公司 | Water flow characteristic detection platform and method for atomizing nozzle |
| CN107393617A (en) * | 2017-06-23 | 2017-11-24 | 西安交通大学 | A kind of nuclear reactor safety shell spraying ring pipe Optimization Design |
| CN109115485A (en) * | 2018-10-23 | 2019-01-01 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
| CN109141864A (en) * | 2018-10-23 | 2019-01-04 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
| CN109946060A (en) * | 2019-04-17 | 2019-06-28 | 中交疏浚技术装备国家工程研究中心有限公司 | Multi-parameter is adjustable high pressure nozzle performance development test platform |
| CN114414203A (en) * | 2021-12-16 | 2022-04-29 | 苏州天河中电电力工程技术有限公司 | Test bed for submerged jet cleaning process of heat transfer pipe of condenser and test method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101915664B (en) | 2013-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101915664B (en) | Digital full functional water nozzle test system | |
| CN201364194Y (en) | Liquid flow test device | |
| CN202599485U (en) | A novel flow mass detection device | |
| CN204255415U (en) | The board-like gas-liquid biphase flowmeter of a kind of bellmouth | |
| CN103837214A (en) | Combined container type gas flow detection device by pVTt method | |
| CN204422027U (en) | A kind of liquid caliberating device | |
| CN201748942U (en) | Heat distribution type gas mass flow meter | |
| CN104344862B (en) | The detection method of FCM10A type fuel consumption meters | |
| CN201837408U (en) | Digital full function water nozzle testing system | |
| CN201497531U (en) | Heating pipe network steam flow totalizer | |
| CN208672111U (en) | A kind of method of standard table portable dynamic electromagnetic flowmeter calibrating apparatus | |
| CN203672461U (en) | Calibrating device of gas flowmeter | |
| CN202562533U (en) | A gas flow measuring device metering from zero | |
| CN209639805U (en) | A kind of aerospace automatic calibration unit for gas flowmeters | |
| CN209643352U (en) | A kind of water and fertilizer irrigation system with self-checking function | |
| CN102798444B (en) | High-pressure water injection meter detecting device | |
| CN205049189U (en) | Online accurate measuring device of fluid flow | |
| CN213481486U (en) | Flow controller for calibrating detection instrument | |
| CN108760367A (en) | A kind of sanitary ceramics water-use efficiency experimental provision | |
| CN201780286U (en) | Light-operated metering device | |
| CN209102162U (en) | A kind of multiple flow passages ultrasonic wave gas meter | |
| CN208459034U (en) | A kind of sanitary ceramics water-use efficiency experimental provision | |
| CN204007805U (en) | The online caliberating device of a kind of LNG filling machine | |
| CN203688180U (en) | Automatic blowby and leakage measuring apparatus for valve | |
| CN203745052U (en) | Container parallel connection and reversing valve type pVTt method gas flow device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEBEI ZHONGMAI ELECTROMECHANICAL EQUIPMENT CO., LT Effective date: 20140620 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140620 Address after: On the south side of Beijing city 100076 Daxing District Yinghai town government of Beijing MCC Mike Hydraulic Co. Ltd. Patentee after: Beijing MECC Hydraulic Co., Ltd. Patentee after: Hebei Zhongmai Electromechanical Equipment Co., Ltd. Address before: 100076 Beijing city Daxing District Yinghai town (Beijing metallurgical Mike Hydraulic Co. Ltd.) Patentee before: Beijing MECC Hydraulic Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20170908 |