CN204061111U - Thick smart vacuum pumping device - Google Patents

Thick smart vacuum pumping device Download PDF

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Publication number
CN204061111U
CN204061111U CN201420423495.4U CN201420423495U CN204061111U CN 204061111 U CN204061111 U CN 204061111U CN 201420423495 U CN201420423495 U CN 201420423495U CN 204061111 U CN204061111 U CN 204061111U
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CN
China
Prior art keywords
vacuum
pump group
pump
vacuum pumping
pipe joint
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Expired - Fee Related
Application number
CN201420423495.4U
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Chinese (zh)
Inventor
陆郁
朱刚毅
李刚
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201420423495.4U priority Critical patent/CN204061111U/en
Application granted granted Critical
Publication of CN204061111U publication Critical patent/CN204061111U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of thick smart vacuum pumping device, for vacuumizing process to air-conditioning system, comprise the first pump group and controller, the first pump group is electrically connected with controller, also comprise the second pump group in parallel with the first pump group, the second pump group is electrically connected with controller; First pump group and the second pump group are all connected with needing the air-conditioning system vacuumized; First pump group comprises the first vacuum pumping pump and controls the first valve member of the first vacuum pumping pump; Second pump group comprises the second vacuum pumping pump and controls the second valve member of the second vacuum pumping pump, and the Vacuum testing assembly be connected with the second vacuum pumping pump, the vacuum measuring instrument that Vacuum testing assembly comprises vacuum gauge and is connected with vacuum gauge.Device of the present utility model can improve product quality and production efficiency, and guarantees the reliability of Vacuum testing assembly and validity and extends its working life, realizing automation and intellectuality, ensure the reliable and stable of work.

Description

Thick smart vacuum pumping device
Technical field
The utility model relates to air-conditioning system production field, particularly relates to a kind of thick smart vacuum pumping device.
Background technique
Various refrigeration plant must vacuumize process to heat exchanger, compressor, pipe-line system inside before perfusion refrigerant.What adopt in current industry is that each vacuum pumping stations operating post is equipped with a vacuum pumping pump and vacuumizes produced refrigeration plant, in process of production, owing to changing product to be measured fast, so that the impurity such as metal fragment, lubricant oil, moisture, dust of pipe-line system inside to be vacuumized progressively accumulates and pollutes vacuum pumping pump and lubricant oil thereof, make the performance of pumped vacuum systems progressively deteriorated, do not reach the requirement of required degree of vacuum, need often stop the line cleaning pump housing and change a large amount of expensive import lubricant oil.The rhythm of production of fast beat, when making change of product, complete interiors of products air pressure that is that vacuumize and that be about to carry out vacuumizing to change rapidly, to vacuum gauge and vacuum measuring instrument for detecting degree of vacuum, there is great impact, spoilage is high, not only maintenance cost is high, and has had a strong impact on its reliability and validity, and then have impact on quality of product and manufacturing efficiency.In the weather of humidity (" going back to Nan Tian " plum rain season and typhoon season as Guangdong), the problems referred to above are more serious, are often forced to stop production.
Model utility content
Device for a traditional outfit vacuum pumping pump does not reach vacuum level requirements, need often to stop the line cleaning pump housing and more oil change and vacuum gauge and vacuum measuring instrument reliability, problem that validity is not high, the utility model provides a kind of two parallel pumps, Vacuum testing assembly reliability and the high thick smart vacuum pumping device improved product quality and production efficiency of validity.
For reaching model utility object, the utility model provides a kind of thick smart vacuum pumping device, for vacuumizing process to air-conditioning system, comprise the first pump group and controller, described first pump group is electrically connected with described controller, also comprise the second pump group in parallel with described first pump group, described second pump group is electrically connected with described controller;
Described first pump group and described second pump group are all connected with needing the described air-conditioning system vacuumized;
Described first pump group comprises the first vacuum pumping pump and controls the first valve member of described first vacuum pumping pump;
Described second pump group comprises the second vacuum pumping pump and controls the second valve member of described second vacuum pumping pump, and the Vacuum testing assembly be connected with described second vacuum pumping pump;
Described Vacuum testing assembly comprises the vacuum gauge of the degree of vacuum for detecting described second vacuum pumping pump and the vacuum measuring instrument for the degree of vacuum that shows described second vacuum pumping pump, and described vacuum gauge is connected with described vacuum measuring instrument.
As a kind of embodiment, described first valve member comprises the first solenoid valve, the first cylinder and the first stopcock;
Described first cylinder is between described first stopcock and described first solenoid valve, and described first cylinder is connected with described first stopcock, and described in described first solenoid-driven, the first cylinder controls the folding of described first stopcock;
Described second valve member comprises the second solenoid valve, the second cylinder and the second stopcock;
Described second cylinder is between described second stopcock and described second solenoid valve, and described second cylinder is connected with described second stopcock, and described in described second solenoid-driven, the second cylinder controls the folding of described second stopcock.
As a kind of embodiment, also comprise the rapid pipe joint for being communicated with the described air-conditioning system that needs vacuumize;
Described rapid pipe joint is two, is respectively the first rapid pipe joint and the second rapid pipe joint;
Described first pump group is connected by connecting tube with described second pump group;
Described first rapid pipe joint is arranged on the described connecting tube of described first pump group side;
Described second rapid pipe joint is arranged on the described connecting tube of described second pump group side.
As a kind of embodiment, described first rapid pipe joint is identical with the structure of described second rapid pipe joint.
As a kind of embodiment, described first rapid pipe joint and described second rapid pipe joint and described connecting tube removably connect.
As a kind of embodiment, described connecting tube is metal vacuum flexible pipe, plastic vacuum flexible pipe or rubber vacuum flexible pipe.
As a kind of embodiment, also comprise for first timer in the pumpdown time of the first pump group described in timing and the second timer for the pumpdown time of the second pump group described in timing.
As a kind of embodiment, described controller is programmable logic controller (PLC).
The beneficial effects of the utility model comprise:
Thick smart vacuum pumping device of the present utility model, a pump group in parallel in original pump group, a pump group slightly vacuumizes process, another pump group is carried out essence and is vacuumized process, Each performs its own functions for two pump groups, mutual assistance, is independent of each other, and solves the contradiction between quality of product and its manufacturing efficiency and processing cost needing to carry out the air-conditioning system vacuumizing process; Vacuum testing assembly is located at the work of smart return pump group side, and good working environment and the change of degree of vacuum by a small margin, effectively decrease the impact of pressure to Vacuum testing assembly, guarantee its reliability and validity, and extend its working life; Controller controls the automatic control treatment of whole device, the automation of implement device and intellectuality, ensures the reliable and stable of work.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of thick smart vacuum pumping device of the present utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the thick smart vacuum pumping device of the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Shown in Figure 1, the utility model embodiment provides a kind of thick smart vacuum pumping device, for vacuumizing process to air-conditioning system, comprise the first pump group 1 and controller, first pump group 1 is electrically connected with controller, also comprise second pump group 2, the second pump group 2 in parallel with the first pump group 1 to be electrically connected with controller; First pump group 1 and the second pump group 2 are all connected with needing the air-conditioning system vacuumized; First pump group 1 comprises the first vacuum pumping pump 10 and controls the first valve member 11 of the first vacuum pumping pump 10; Second pump group 2 comprises the second vacuum pumping pump 20 and controls the second valve member 21 of the second vacuum pumping pump 20, and the Vacuum testing assembly 22 be connected with the second vacuum pumping pump 20; Vacuum testing assembly 22 comprises the vacuum gauge of the degree of vacuum for detecting the second vacuum pumping pump 20 and the vacuum measuring instrument for the degree of vacuum that shows the second vacuum pumping pump 20, and vacuum gauge is connected with vacuum measuring instrument.
Thick smart vacuum pumping device of the present utility model, the pump group that parallel connection one is new in original pump group, process is vacuumized for carrying out essence to air-conditioning system, two pump groups are all connected with needing the air-conditioning system (as heat exchanger, compressor, pipe-line system etc.) vacuumized, all comprise a vacuum pumping pump and a valve member in two pump groups, valve member controls the folding of vacuum pumping pump.First vacuum pumping pump 10 pairs air-conditioning system slightly vacuumizes process, controller judges to reach and carries out essence when vacuumizing the standard of process, controller controls the first vacuum pumping pump 10 by the first valve member 11 and closes, controller controls the second vacuum pumping pump 20 by the second valve member 21 and opens, essence is carried out to air-conditioning system and vacuumizes process, and the first vacuum pumping pump 10 is when slightly vacuumizing process, second vacuum pumping pump 20 does not participate in vacuum, when second vacuum pumping pump 20 carries out vacuumizing process, first vacuum pumping pump 10 does not participate in vacuum, Each performs its own functions for two vacuum pumping pumps, be independent of each other, and mutually assist, while meeting vacuum level requirements, improve quality of product and manufacturing efficiency, and do not need often stop the line cleaning pump housing and change expensive import lubricant oil, cost is lower.
Vacuum testing assembly 22 is connected with the second vacuum pumping pump 20, detects the degree of vacuum of the second vacuum pumping pump 20.Vacuum testing assembly 22 comprises vacuum gauge and vacuum measuring instrument, vacuum gauge is connected with vacuum measuring instrument, vacuum gauge is the sensor detecting degree of vacuum in fact, it detects the degree of vacuum of the second vacuum pumping pump 20, and the degree of vacuum detected is sent to vacuum measuring instrument, shown by the numerical value of vacuum measuring instrument by degree of vacuum, be electrically connected with Vacuum testing assembly 22 with Time Controller, the degree of vacuum of the second vacuum pumping pump 20 of Real-time Obtaining Vacuum testing component detection, at the end of essence vacuumizes process, judge that whether the degree of vacuum of this air-conditioning system is qualified, and then to air-conditioning system carry out subsequent treatment (defective, keeped in repair by technical staff, qualified, automatically carry out next procedure).Vacuum testing assembly 22 is connected with the second vacuum pumping pump 20, second vacuum pumping pump 20 carries out essence when vacuumizing process, impurity (as metal fragment, lubricant oil, moisture, dust etc.) is less, little on the impact of Vacuum testing assembly 22, and its degree of vacuum amplitude of variation is less, effectively can reduce the impact of pressure to Vacuum testing assembly 22 (vacuum gauge and vacuum measuring instrument), ensure that reliability and the accuracy of Vacuum testing assembly 22, extend decades of times in its in working life.
As a kind of embodiment, the first valve member 11 comprises the first solenoid valve, the first cylinder and the first stopcock; First cylinder is between the first stopcock and the first solenoid valve, and the first cylinder is connected with the first stopcock, and the first solenoid-driven first cylinder controls the folding of the first stopcock.
Second valve member 21 comprises the second solenoid valve, the second cylinder and the second stopcock; Second cylinder is between the second stopcock and the second solenoid valve, and the second cylinder is connected with the second stopcock, and the second solenoid-driven second cylinder controls the folding of the second stopcock.
First valve member 11 comprises the first solenoid valve, the first cylinder and the first stopcock, wherein stopcock a kind ofly makes valve from the modulating valve opening position and be changed to off-position by parts half-twist, first solenoid valve is opened, compressed gas-driven first cylinder (as oscillating cylinder) does reciprocating rotating motion within the scope of 90 °, first cylinder is connected with the first stopcock, drive the first stopcock closure or openness, and then control the folding of the first vacuum pumping pump 10.Second valve member 21 principle and process identical, repeat part repeat no more.
As a kind of embodiment, also comprise the rapid pipe joint 4 for being communicated with the air-conditioning system that needs vacuumize; Rapid pipe joint 4 is two, is respectively the first rapid pipe joint 41 and the second rapid pipe joint 42; First pump group 1 is connected by connecting tube 3 with the second pump group 2, and the first rapid pipe joint 41 is arranged on the connecting tube 3 of the first pump group 1 side; Second rapid pipe joint 42 is arranged on the connecting tube 3 of the second pump group 2 side.
Rapid pipe joint 4 is arranged on two pump groups and is connected on the connecting tube 3 of one end, for being communicated with pump group and air-conditioning system, realize pump group and process is vacuumized to air-conditioning system, first rapid pipe joint 41 is arranged on the connecting tube 3 of the first pump group 1 side, second rapid pipe joint 42 is arranged on the connecting tube 3 of the second pump group 2 side, connect high pressure valve (air-conditioning outer machine) and the low pressure valve (air-conditioning internal machine) of air-conditioning system respectively, realize vacuumizing thoroughly air-conditioning system, avoid thoroughly not having air or impurity remnants because vacuumizing process, affect the performance of air-conditioning system.
As a kind of embodiment, the first rapid pipe joint 41 is identical with the structure of the second rapid pipe joint 42.
First rapid pipe joint 41 is identical, easy and simple to handle with the second rapid pipe joint 42 joint, and replaceable when being connected with air-conditioning system.
As a kind of embodiment, the first rapid pipe joint 41 and the second rapid pipe joint 42 removably connect with connecting tube 3.
Dismountablely to be connected with connecting tube 3, can implement device and different model, being communicated with of different types of air-conditioning system, when vacuumizing process to different air-conditioning systems, without the need to more changing device, only need change rapid pipe joint 4, convenient and swift practicality.
As a kind of embodiment, connecting tube 3 is metal vacuum flexible pipe, plastic vacuum flexible pipe or rubber vacuum flexible pipe.
What deserves to be explained is, connecting tube 3 is not limited to mention in above-described embodiment, can also be other vacuum hose, realize the connection of pump group and air-conditioning system, can be used for carrying out vacuumizing processing.
As a kind of embodiment, also comprise for first timer in the pumpdown time of timing first pump group 1 and second timer in the pumpdown time for timing second pump group 2.
Controller is electrically connected with the first pump group 1 and the second pump group 2, is electrically connected respectively with solenoid valve and Vacuum testing assembly 22.Controller realizes the door lock interlocking of valve member by stopcock, is electrically connected with solenoid valve, controls the opening and closing of two valve members; Be electrically connected with Vacuum testing assembly 22, the degree of vacuum of detection is fed back to controller by Vacuum testing assembly 22, and controller judges that whether air-conditioning system is qualified, and sends acousto-optic hint, realizes intellectuality and the automation of whole device.
This device comprises the first timer and the second timer, the processing time (reach and carry out the standard that essence vacuumizes process) slightly vacuumized during the first timer, the processing time (essence vacuumizes process and terminates) that during the second timer, essence vacuumizes, controller controls the pumpdown time of the first vacuum pumping pump 10 according to the first timer, and controller controls the pumpdown time of the second vacuum pumping pump 20 according to the second timer.Also comprise the 3rd timer, for the delay time of timing valve assembly, ensure that the first valve member 11 just opens the second valve member 21 after closed, make not impact between two pump groups.Thick smart vacuum pumping device realizes automation and the intellectuality of whole device by controller, ensure that the reliable and stable of work.What deserves to be explained is, above-mentioned first timer, the second timer and the 3rd timer can be arranged in the controller, also can be independently timer (as stopwatch), realize clocking capability and feed back to controller.
As a kind of embodiment, controller is programmable logic controller (PLC) (PLC, Programmable Logic Controller).
Programmable logic controller (PLC) can realize intellectuality and the automation of thick smart vacuum pumping device, automatic control first pump group 1 slightly vacuumizes process, control the second pump group 2 to carry out essence and vacuumize process, vacuumize after process completes, device, by door lock interlocking, is resetted (namely the first pump group 1 is opened, and the second pump group 2 is closed) by programmable logic controller (PLC) automatically, ensure that next air-conditioning system vacuumizes the correct of process, carry out smoothly.
In order to more clearly explain thick smart vacuum pumping device of the present utility model, carry out detailed being described below in conjunction with concrete working procedure:
Rapid pipe joint 4 is communicated with low pressure valve with the high pressure valve of air-conditioning system, controller controls the first solenoid valve and opens, cylinder is driven to drive the first stopcock to open, first vacuum pumping pump 10 starts air-conditioning system (heat exchanger, compressor, pipe-line system) slightly vacuumize process, first timer starts timing, reach when the first timer and carry out essence when vacuumizing the standard of process, feed back to controller, controller controls the first valve member 11 and closes, after the delay time of the 3rd timer, control the second valve member 21 to open, second vacuum pumping pump 20 starts to carry out essence to above-mentioned air-conditioning system and vacuumizes process, second timer starts timing, Vacuum testing assembly 22 starts to detect degree of vacuum and shows vacuum values, the stipulated time (essence vacuumizes process and terminates) is reached when the second timer, the timing time of the second timer and Vacuum testing assembly 22 detect degree of vacuum and feed back to controller, controller controls the second valve member 21 and closes, judge that whether degree of vacuum is up to standard simultaneously, and send acousto-optic cue, if product is qualified be automatically loaded next procedure, keeped in repair by technical staff as defective.At the end of each air-conditioning system vacuumizes process, automatically reset by door lock interlocking control gear, namely the first valve member 11 is opened, and the second valve member 21 is closed, and can guarantee that next air-conditioning system vacuumizes the normal running of process.
Whole working procedure is automatic control treatment under the control of the controller, ensure that the reliable and stable of work, the automation of implement device and intellectuality; Two pump groups are arranged in parallel, and first slightly vacuumize process, then carry out essence and vacuumize process, improve manufacturing efficiency and quality of product, reduce processing cost; Vacuum testing assembly 22 is arranged on smart return pump group side, ensure that reliability and the validity of Vacuum testing assembly 22, extends its working life.Wherein, when slightly vacuumizing process, impurity is more, and degree of vacuum amplitude of variation is comparatively large, need to thick vacuum pumping pump periodic maintenance, but maintenance period is compared single vacuum pumping pump and extended 3 ~ 5 times.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (8)

1. a thick smart vacuum pumping device, for vacuumizing process to air-conditioning system, comprise the first pump group and controller, described first pump group is electrically connected with described controller, it is characterized in that, also comprise the second pump group in parallel with described first pump group, described second pump group is electrically connected with described controller;
Described first pump group and described second pump group are all connected with needing the described air-conditioning system vacuumized;
Described first pump group comprises the first vacuum pumping pump and controls the first valve member of described first vacuum pumping pump;
Described second pump group comprises the second vacuum pumping pump and controls the second valve member of described second vacuum pumping pump, and the Vacuum testing assembly be connected with described second vacuum pumping pump;
Described Vacuum testing assembly comprises the vacuum gauge of the degree of vacuum for detecting described second vacuum pumping pump and the vacuum measuring instrument for the degree of vacuum that shows described second vacuum pumping pump, and described vacuum gauge is connected with described vacuum measuring instrument.
2. thick smart vacuum pumping device according to claim 1, is characterized in that, described first valve member comprises the first solenoid valve, the first cylinder and the first stopcock;
Described first cylinder is between described first stopcock and described first solenoid valve, and described first cylinder is connected with described first stopcock, and described in described first solenoid-driven, the first cylinder controls the folding of described first stopcock;
Described second valve member comprises the second solenoid valve, the second cylinder and the second stopcock;
Described second cylinder is between described second stopcock and described second solenoid valve, and described second cylinder is connected with described second stopcock, and described in described second solenoid-driven, the second cylinder controls the folding of described second stopcock.
3. thick smart vacuum pumping device according to claim 1, is characterized in that, also comprises the rapid pipe joint for being communicated with the described air-conditioning system that needs vacuumize;
Described rapid pipe joint is two, is respectively the first rapid pipe joint and the second rapid pipe joint;
Described first pump group is connected by connecting tube with described second pump group;
Described first rapid pipe joint is arranged on the connecting tube of described first pump group side;
Described second rapid pipe joint is arranged on the described connecting tube of described second pump group side.
4. thick smart vacuum pumping device according to claim 3, is characterized in that, described first rapid pipe joint is identical with the structure of described second rapid pipe joint.
5. thick smart vacuum pumping device according to claim 4, is characterized in that, described first rapid pipe joint and described second rapid pipe joint and described connecting tube removably connect.
6. thick smart vacuum pumping device according to claim 3, is characterized in that, described connecting tube is metal vacuum flexible pipe, plastic vacuum flexible pipe or rubber vacuum flexible pipe.
7. thick smart vacuum pumping device according to claim 1, is characterized in that, also comprises for first timer in the pumpdown time of the first pump group described in timing and the second timer for the pumpdown time of the second pump group described in timing.
8. the thick smart vacuum pumping device according to any one of claim 1 to 7, is characterized in that, described controller is programmable logic controller (PLC).
CN201420423495.4U 2014-07-29 2014-07-29 Thick smart vacuum pumping device Expired - Fee Related CN204061111U (en)

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CN201420423495.4U CN204061111U (en) 2014-07-29 2014-07-29 Thick smart vacuum pumping device

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Application Number Priority Date Filing Date Title
CN201420423495.4U CN204061111U (en) 2014-07-29 2014-07-29 Thick smart vacuum pumping device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222426A (en) * 2015-09-08 2016-01-06 珠海格力电器股份有限公司 Vacuum extractor, method and air-conditioning equipment
CN107621126A (en) * 2017-09-04 2018-01-23 深圳市镭煜科技有限公司 Pump group pumped vacuum systems and its method for vertical library formula lithium battery automatic drying
CN107621125A (en) * 2017-09-04 2018-01-23 深圳市镭煜科技有限公司 A kind of vertical library formula lithium battery automatic drying control system
CN113231964A (en) * 2021-05-21 2021-08-10 中国工程物理研究院激光聚变研究中心 Double-vacuum-pump-body polishing solution recovery device and method
CN113847245A (en) * 2021-09-26 2021-12-28 北京卫星环境工程研究所 A dead intelligent protection pipeline of dry pump card for space environment simulator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222426A (en) * 2015-09-08 2016-01-06 珠海格力电器股份有限公司 Vacuum extractor, method and air-conditioning equipment
CN105222426B (en) * 2015-09-08 2017-11-28 珠海格力电器股份有限公司 Vacuum extractor, method and air-conditioning equipment
CN107621126A (en) * 2017-09-04 2018-01-23 深圳市镭煜科技有限公司 Pump group pumped vacuum systems and its method for vertical library formula lithium battery automatic drying
CN107621125A (en) * 2017-09-04 2018-01-23 深圳市镭煜科技有限公司 A kind of vertical library formula lithium battery automatic drying control system
CN113231964A (en) * 2021-05-21 2021-08-10 中国工程物理研究院激光聚变研究中心 Double-vacuum-pump-body polishing solution recovery device and method
CN113231964B (en) * 2021-05-21 2022-05-20 中国工程物理研究院激光聚变研究中心 Double-vacuum-pump-body polishing solution recovery device and method
CN113847245A (en) * 2021-09-26 2021-12-28 北京卫星环境工程研究所 A dead intelligent protection pipeline of dry pump card for space environment simulator

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20141231

Termination date: 20210729