CN210473406U - Novel dust absorption in fertilizer production crushing process device - Google Patents
Novel dust absorption in fertilizer production crushing process device Download PDFInfo
- Publication number
- CN210473406U CN210473406U CN201921024363.3U CN201921024363U CN210473406U CN 210473406 U CN210473406 U CN 210473406U CN 201921024363 U CN201921024363 U CN 201921024363U CN 210473406 U CN210473406 U CN 210473406U
- Authority
- CN
- China
- Prior art keywords
- dust
- dust collecting
- crushing process
- fertilizer production
- fixed shell
- 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.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 219
- 239000003337 fertilizer Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000004744 fabric Substances 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 239000003595 mist Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 206010010904 Convulsion Diseases 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Landscapes
- Fertilizers (AREA)
Abstract
The utility model relates to a novel dust absorption in fertilizer production crushing process device, it mainly includes the lift post, lift capital portion set up in the slip rail, lift capital portion is provided with the dead lever, fixed shell is connected to the dead lever, and dust collecting pipe is connected to fixed shell top, the inside motor that is provided with of dust cover, dust collecting pipe other end connection dust collection box, dust collecting pipe is close to dust collection box one end and is provided with the water pump, and dust collection box bottom is provided with the filter cloth, is provided with the water tank below the dust collection box, the utility model discloses effectively solved among the prior art chemical fertilizer workshop do not have the dust absorption device, the operational environment is abominable, harm staff healthy, waste fertilizer raw materials, can not single control, waste energy scheduling problem to convenient to dismantle and maintain, total the utility model discloses it is with dust collection cost low, collection effect is strong, convenient to, Reducing the harm to human body, lifting and shifting, reducing the dust collecting investment in workshops, reducing the energy consumption and the like.
Description
Technical Field
The utility model belongs to the fertilizer production field, concretely relates to dust absorbing device, in particular to novel dust absorbing device in the fertilizer production crushing process.
Background
The fertilizer is one of material bases of agricultural production, when the fertilizer is produced in a workshop, a large amount of dust exists, most of chemical fertilizer production workshops do not have a dust absorption device at present, the working environment inside the workshop is extremely bad, after dust is sucked in the working process of workers, the harm to the body is large, the dust scattered in the air cannot be collected, the waste of fertilizer raw materials is caused, the manufacturing cost is increased, a central dust collection system is used for collecting fertilizer dust in part of workshops, the investment of the central dust collection system is large, dust can only be collected in a large area, the dust cannot be collected in a dust distribution dense area, the control cannot be performed individually, and the energy waste is caused.
Disclosure of Invention
In order to overcome the not enough of prior art, now provide a dust absorbing device in novel fertilizer production crushing process, can effectively solve among the prior art chemical fertilizer workshop do not have the dust absorbing device, operational environment is abominable, harm staff healthy, extravagant fertilizer raw materials, not central dust collecting system can the pertinence collect dust, can not individual control, extravagant energy scheduling problem.
The purpose of the utility model is realized like this: a dust absorption device in the novel fertilizer production and crushing process mainly comprises a lifting column, wherein the bottom of the lifting column is arranged on a sliding rail, a fixing rod is arranged at the top of the lifting column and connected with a fixing shell, a dust collection cover is connected below the fixing shell, a dust collection pipeline is connected above the fixing shell, a dust cover is fixed inside the fixing shell through a fixing column, a motor is arranged inside the dust cover and penetrates through the dust cover to be connected with fan blades, protective covers are arranged above the motor and below the fan blades, the other end of the dust collection pipeline is connected with a dust collection box, a water pump is arranged at one end, close to the dust collection box, of the dust collection pipeline, the water pump is connected with a water inlet pipe, a water outlet pipe is connected below the water pump through a three-way joint, and a plurality of shunt pipes are arranged on the, the flow dividing pipe penetrates through the dust collecting box to be connected with the spray head, filter cloth is arranged at the bottom of the dust collecting box, and a water tank is arranged below the dust collecting box.
The lifting column is a pneumatic lifting column and is arranged on the sliding rail in a sliding mode.
The fixed shell, the dust collection cover and the dust collection pipeline are all connected through bolts, and the fixed column and the dust cover, the fixed column and the fixed shell, and the protective cover and the fixed shell are also connected through bolts.
The motor is a speed regulating motor, and the dust hood is an inverted V-shaped dust hood.
The water pump is a booster water pump, and the spray head is an atomizing spray head.
The filter cloth is detachably connected with the dust collection box.
The sliding rail is arranged underground, and the upper surface of the sliding rail and the ground are in the same plane.
The motor and the water pump are both connected with a power supply.
The utility model has the advantages that: when the utility model is used, a machine for producing chemical fertilizer or breaking chemical fertilizer is arranged under the dust hood, the motor is started, the motor drives the fan blades to rotate, the fan blades rotate to draw air and dust in the air into the dust collecting pipeline, the air containing dust enters the dust collecting box through the dust collecting pipeline, the water pump arranged outside the dust collecting pipeline is started, the water pump draws water from the water inlet and enters the water outlet pipe, water flow enters the shunt pipe after passing through the water outlet pipe, then the water flow is sprayed into the dust collecting box from the spray head at the other end of the shunt pipe, the air containing dust is sprayed by the spray head and enters the dust collecting box, the dust and the air in the air are separated through the sprayed water mist, the separated dust and water (hereinafter referred to as mixture) fall into the dust collecting box, the mixture is filtered by the filter cloth, the dust is left in the dust collecting box, the filtered water falls into the water tank, the dust collecting pipe enters the dust collecting box and continuously pressurizes the inside of the dust collecting box with air, so that the speed of separating the dust and water by the filter cloth is increased, the separation efficiency is greatly increased, when the dust in the dust collecting box reaches a certain amount, the filter cloth is detached, the dust in the dust collecting box is poured out for recycling and processing, the manufacturing cost is reduced, the dust collecting device is used for collecting the dust, the manufacturing cost is reduced, the working environment in a workshop can be purified, the body health of workers is guaranteed, the dust collecting device can be controlled individually, targeted dust collection is realized, the energy consumption is reduced, the production cost is low, the dust collecting effect is good, the workshop investment is reduced, the lifting column is a pneumatic lifting column which is arranged on the sliding rail in a sliding manner, the pneumatic lifting column has the performances of large load, small noise, quick lifting, strong and stable self-falling buffer performance, and the like, and the stability of the device in operation is increased, the utility model discloses fixed shell and dust cage, dust collecting pipeline are bolted connection, fixed column and dust cover, fixed column and fixed shell, protection casing and fixed shell also are bolted connection, use bolted connection, it is maintained to convenient dismantlement thereof after finishing using, the motor is buncher, the dust cage is the type of falling V dust cage, thereby can control its convulsions volume through adjusting motor rotational speed, the type of falling V dust cage can collect dirt of wider range, reinforcing dust collection effect, the sliding rail is in underground, sliding rail upper surface and bottom surface are in the coplanar and do not influence the putting of production chemical fertilizer or broken chemical fertilizer machine when carrying out sliding displacement, the suitability is stronger, the utility model discloses effectively solved among the prior art chemical fertilizer workshop do not have the dust absorption device, operational environment is abominable, harm staff's health, waste fertilizer raw materials, central dust collecting system can not the pertinence collect dirt, Can not singlely control, extravagant energy scheduling problem to convenient to detach maintains, totally the utility model has the advantages of dust collection is with low costs, collection dirt effect is strong, convenient to detach maintains, improves the purification operational environment, reduces health harm, liftable displacement, reduces workshop collection dirt investment, reduces energy resource consumption.
Drawings
FIG. 1 is a schematic structural view of a dust absorption device in the crushing process of the novel fertilizer production of the present invention;
FIG. 2 is a schematic view of the structure and position of the motor, the dust collecting cover and the fixing column of the dust absorption device in the crushing process of the novel fertilizer production of the present invention;
fig. 3 is a schematic structural diagram of the lifting column and the sliding rail of the novel dust absorption device in the fertilizer production and crushing process.
In the figure: 1. the device comprises a lifting column 2, a sliding rail 3, a fixing rod 4, a fixing shell 5, a dust collecting pipeline 6, a fixing column 7, a dust cover 8, a motor 9, fan blades 10, a protective cover 11, a dust collecting box 12, a water pump 13, a water inlet pipe 14, a three-way joint 15, a water outlet pipe 16, a shunt pipe 17, a spray head 18, filter cloth 19, a water tank 20 and a dust collecting cover.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2 and 3, a novel dust absorption device in the fertilizer production and crushing process mainly comprises a lifting column 1, the bottom of the lifting column 1 is arranged on a sliding rail 2, a fixing rod 3 is arranged at the top of the lifting column 1, the fixing rod 3 is connected with a fixed shell 4, a dust hood 20 is connected below the fixed shell 4, a dust collecting pipeline 5 is connected above the fixed shell 4, a dust hood 7 is fixed inside the fixed shell 4 through a fixing column 6, a motor 8 is arranged inside the dust hood 7, the motor 8 penetrates through the dust hood 7 and is connected with fan blades 9, protective hoods 10 are arranged above the motor 8 and below the fan blades 9, the other end of the dust collecting pipeline 5 is connected with a dust collecting box 11, a water pump 12 is arranged at one end of the dust collecting pipeline 5 close to the dust collecting box 11, and the water pump 12 is connected with a water inlet pipe 13, the lower part of the water pump 12 is connected with a water outlet pipe 15 through a tee joint 14, a plurality of shunt pipes 16 are arranged on the water outlet pipe 15, the shunt pipes 16 penetrate through a dust collection box 11 and are connected with a spray head 17, filter cloth 18 is arranged at the bottom of the dust collection box 11, and a water tank 19 is arranged below the dust collection box 11.
The utility model discloses when using: when the utility model is used, a machine for producing chemical fertilizer or breaking chemical fertilizer is arranged under the dust hood, the motor is started, the motor drives the fan blades to rotate, the fan blades rotate to draw air and dust in the air into the dust collecting pipeline, the air containing dust enters the dust collecting box through the dust collecting pipeline, the water pump arranged outside the dust collecting pipeline is started, the water pump draws water from the water inlet and enters the water outlet pipe, water flow enters the shunt pipe after passing through the water outlet pipe, then the water flow is sprayed into the dust collecting box from the spray head at the other end of the shunt pipe, the air containing dust is sprayed by the spray head and enters the dust collecting box, the dust and the air in the air are separated through the sprayed water mist, the separated dust and water (hereinafter referred to as mixture) fall into the dust collecting box, the mixture is filtered by the filter cloth, the dust is left in the dust collecting box, the filtered water falls into the water tank, the dust collecting pipeline enters the dust and air inside the dust collecting box to continuously pressurize the inside of the dust collecting box, the speed of separating the dust from water by the filter cloth is accelerated, the separation efficiency is greatly increased, when the dust inside the dust collecting box reaches a certain amount, the filter cloth is detached, the dust inside the dust collecting box is poured out to be recycled and processed, the manufacturing cost is reduced, the dust collecting device is used for collecting the dust, the manufacturing cost is reduced, the working environment inside a workshop can be purified, the physical health of workers is ensured, the device can be controlled individually, targeted dust collection is realized, the energy consumption is reduced, the production cost is low, the dust collecting effect is good, the workshop investment is reduced, the utility model discloses the problems that the chemical fertilizer production workshop does not have a dust absorbing device in the prior art, the working environment is severe, the physical health of the workers is harmed, the fertilizer raw materials are wasted, a central dust collecting system, Can not singlely control, extravagant energy scheduling problem to convenient to detach maintains, totally the utility model has the advantages of dust collection is with low costs, collection dirt effect is strong, convenient to detach maintains, improves the purification operational environment, reduces health harm, liftable displacement, reduces workshop collection dirt investment, reduces energy resource consumption.
Example 2
As shown in fig. 1, 2 and 3, a novel dust absorption device in the fertilizer production and crushing process mainly comprises a lifting column 1, the bottom of the lifting column 1 is arranged on a sliding rail 2, a fixing rod 3 is arranged at the top of the lifting column 1, the fixing rod 3 is connected with a fixed shell 4, a dust hood 20 is connected below the fixed shell 4, a dust collecting pipeline 5 is connected above the fixed shell 4, a dust hood 7 is fixed inside the fixed shell 4 through a fixing column 6, a motor 8 is arranged inside the dust hood 7, the motor 8 penetrates through the dust hood 7 and is connected with fan blades 9, protective hoods 10 are arranged above the motor 8 and below the fan blades 9, the other end of the dust collecting pipeline 5 is connected with a dust collecting box 11, a water pump 12 is arranged at one end of the dust collecting pipeline 5 close to the dust collecting box 11, and the water pump 12 is connected with a water inlet pipe 13, the lower part of the water pump 12 is connected with a water outlet pipe 15 through a tee joint 14, the water outlet pipe 15 is provided with a plurality of shunt tubes 16, the shunt tubes 16 penetrate through a dust collection box 11 and are connected with a spray head 17, the bottom of the dust collection box 11 is provided with filter cloth 18, the lower part of the dust collection box 11 is provided with a water tank 19, the lifting column 1 is a pneumatic lifting column, the lifting column 1 is arranged on a sliding rail 2 in a sliding way, the fixed shell 4, the dust collection cover 20 and a dust collection pipeline 5 are all in bolt connection, the fixed column 6 is also in bolt connection with a dust cover 7, the fixed column 6, the fixed shell 4, the protective cover 10 and the fixed shell 4, the motor 8 is a speed regulating motor, the dust collection cover 20 is an inverted V-shaped dust collection cover, the water pump 12 is a booster water pump, the spray head 17 is an atomizing spray head, and the filter cloth 18 is detachably connected with the, the sliding rail 2 is arranged underground, the upper surface of the sliding rail 2 and the ground are arranged on the same plane, and the motor 8 and the water pump 12 are both connected with a power supply.
The utility model discloses when using: when the utility model is used, a machine for producing chemical fertilizer or breaking chemical fertilizer is arranged under the dust hood, the motor is started, the motor drives the fan blades to rotate, the fan blades rotate to draw air and dust in the air into the dust collecting pipeline, the air containing dust enters the dust collecting box through the dust collecting pipeline, the water pump arranged outside the dust collecting pipeline is started, the water pump draws water from the water inlet and enters the water outlet pipe, water flow enters the shunt pipe after passing through the water outlet pipe, then the water flow is sprayed into the dust collecting box from the spray head at the other end of the shunt pipe, the air containing dust is sprayed by the spray head and enters the dust collecting box, the dust and the air in the air are separated through the sprayed water mist, the separated dust and water (hereinafter referred to as mixture) fall into the dust collecting box, the mixture is filtered by the filter cloth, the dust is left in the dust collecting box, the filtered water falls into the water tank, the dust collecting pipe enters the dust collecting box and continuously pressurizes the inside of the dust collecting box with air, so that the speed of separating the dust and water by the filter cloth is increased, the separation efficiency is greatly increased, when the dust in the dust collecting box reaches a certain amount, the filter cloth is detached, the dust in the dust collecting box is poured out for recycling and processing, the manufacturing cost is reduced, the dust collecting device is used for collecting the dust, the manufacturing cost is reduced, the working environment in a workshop can be purified, the body health of workers is guaranteed, the dust collecting device can be controlled individually, targeted dust collection is realized, the energy consumption is reduced, the production cost is low, the dust collecting effect is good, the workshop investment is reduced, the lifting column is a pneumatic lifting column which is arranged on the sliding rail in a sliding manner, the pneumatic lifting column has the performances of large load, small noise, quick lifting, strong and stable self-falling buffer performance, and the like, and the stability of the device in operation is increased, the utility model discloses fixed shell and dust cage, dust collecting pipeline are bolted connection, fixed column and dust cover, fixed column and fixed shell, protection casing and fixed shell also are bolted connection, use bolted connection, it is maintained to convenient dismantlement thereof after finishing using, the motor is buncher, the dust cage is the type of falling V dust cage, thereby can control its convulsions volume through adjusting motor rotational speed, the type of falling V dust cage can collect dirt of wider range, reinforcing dust collection effect, the sliding rail is in underground, sliding rail upper surface and bottom surface are in the coplanar and do not influence the putting of production chemical fertilizer or broken chemical fertilizer machine when carrying out sliding displacement, the suitability is stronger, the utility model discloses effectively solved among the prior art chemical fertilizer workshop do not have the dust absorption device, operational environment is abominable, harm staff's health, waste fertilizer raw materials, central dust collecting system can not the pertinence collect dirt, Can not singlely control, extravagant energy scheduling problem to convenient to detach maintains, totally the utility model has the advantages of dust collection is with low costs, collection dirt effect is strong, convenient to detach maintains, improves the purification operational environment, reduces health harm, liftable displacement, reduces workshop collection dirt investment, reduces energy resource consumption.
Claims (8)
1. The utility model provides a dust absorption in novel fertilizer production crushing process device, it mainly includes the lift post, its characterized in that: the bottom of the lifting column is arranged on a sliding rail, a fixed rod is arranged at the top of the lifting column, the fixed rod is connected with a fixed shell, a dust hood is connected below the fixed shell, a dust collecting pipeline is connected above the fixed shell, a dust cover is fixed inside the fixed shell through a fixed column, a motor is arranged inside the dust cover, the motor penetrates through the dust cover and is connected with fan blades, protective covers are arranged above the motor and below the fan blades, the other end of the dust collecting pipeline is connected with a dust collecting box, a water pump is arranged at one end, close to the dust collecting box, of the dust collecting pipeline, the water pump is connected with a water inlet pipe, the lower part of the water pump is connected with a water outlet pipe through a three-way joint, a plurality of shunt pipes are arranged on the water outlet pipe, the shunt pipes penetrate, a water tank is arranged below the dust collection box.
2. The novel dust absorption device in the fertilizer production and crushing process is characterized in that: the lifting column is a pneumatic lifting column and is arranged on the sliding rail in a sliding mode.
3. The novel dust absorption device in the fertilizer production and crushing process is characterized in that: the fixed shell, the dust collection cover and the dust collection pipeline are all connected through bolts, and the fixed column and the dust cover, the fixed column and the fixed shell, and the protective cover and the fixed shell are also connected through bolts.
4. The novel dust absorption device in the fertilizer production and crushing process is characterized in that: the motor is a speed regulating motor, and the dust hood is an inverted V-shaped dust hood.
5. The novel dust absorption device in the fertilizer production and crushing process is characterized in that: the water pump is a booster water pump, and the spray head is an atomizing spray head.
6. The novel dust absorption device in the fertilizer production and crushing process is characterized in that: the filter cloth is detachably connected with the dust collection box.
7. The novel dust absorption device in the fertilizer production and crushing process is characterized in that: the sliding rail is arranged underground, and the upper surface of the sliding rail and the ground are in the same plane.
8. The novel dust absorption device in the fertilizer production and crushing process is characterized in that: the motor and the water pump are both connected with a power supply.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921024363.3U CN210473406U (en) | 2019-07-03 | 2019-07-03 | Novel dust absorption in fertilizer production crushing process device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921024363.3U CN210473406U (en) | 2019-07-03 | 2019-07-03 | Novel dust absorption in fertilizer production crushing process device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210473406U true CN210473406U (en) | 2020-05-08 |
Family
ID=70531319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921024363.3U Expired - Fee Related CN210473406U (en) | 2019-07-03 | 2019-07-03 | Novel dust absorption in fertilizer production crushing process device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210473406U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111702897A (en) * | 2020-07-24 | 2020-09-25 | 国家林业和草原局北京林业机械研究所 | Bamboo chip slitting positioning and dust collecting method and device |
CN112090551A (en) * | 2020-08-14 | 2020-12-18 | 嘉禾县光威机械重工有限公司 | Building stone crushing device |
-
2019
- 2019-07-03 CN CN201921024363.3U patent/CN210473406U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111702897A (en) * | 2020-07-24 | 2020-09-25 | 国家林业和草原局北京林业机械研究所 | Bamboo chip slitting positioning and dust collecting method and device |
CN111702897B (en) * | 2020-07-24 | 2024-06-04 | 国家林业和草原局北京林业机械研究所 | Bamboo chip cutting, positioning and dust collecting device |
CN112090551A (en) * | 2020-08-14 | 2020-12-18 | 嘉禾县光威机械重工有限公司 | Building stone crushing device |
CN112090551B (en) * | 2020-08-14 | 2024-04-26 | 嘉禾县光威机械重工有限公司 | Building stone breaker |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN210473406U (en) | Novel dust absorption in fertilizer production crushing process device | |
CN212818863U (en) | Building site raise dust processing apparatus | |
CN208434339U (en) | A kind of agricultural intelligent grass-removing | |
CN114534424A (en) | Dust collecting equipment is used in mine | |
CN207288296U (en) | A kind of high efficiency spinning and weaving workshop dust hood | |
CN202968817U (en) | Dust collection device of cotton condenser | |
CN215510295U (en) | A wall grinding device for construction is built in room | |
CN201546055U (en) | Dust suction apparatus of singeing machine | |
CN212596291U (en) | Integrated wallboard waste gas sweeps collection processing apparatus | |
CN208177500U (en) | It is provided with the crusher of spray assemblies | |
CN202700716U (en) | Paint recycling device | |
CN113016383A (en) | Branch and leaf separation and recovery device after landscape shrub pruning | |
CN206042895U (en) | A kind of greening combined maintenance truck | |
CN110586310A (en) | Dustless reducing mechanism of building material | |
CN202219967U (en) | Feeding device of flat die granulating machine | |
CN207244067U (en) | A kind of textile cloth crushes discharging all-in-one machine | |
CN205915539U (en) | Purifier is accepted to marble cutter dirt thick liquid | |
CN205216461U (en) | Glass fiber dust collector | |
CN221360334U (en) | Feed inlet dust collector for box shearing machine | |
CN205412326U (en) | Novel multi -functional oil filter | |
CN214767703U (en) | A dust collector for cobblestone dry process system sand production line | |
CN210995737U (en) | Dust removal device for mining machinery stone crusher | |
CN221005386U (en) | Dust collector in gingko processing workshop | |
CN217188673U (en) | Dust collector for mine mining | |
CN209612524U (en) | Dust-extraction unit is used in a kind of processing of herbal medicine organic fertilizer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 |
|
CF01 | Termination of patent right due to non-payment of annual fee |