CN214371733U - Equipment is used in hot-blast pipeline refractory material inside lining construction - Google Patents
Equipment is used in hot-blast pipeline refractory material inside lining construction Download PDFInfo
- Publication number
- CN214371733U CN214371733U CN202120498465.XU CN202120498465U CN214371733U CN 214371733 U CN214371733 U CN 214371733U CN 202120498465 U CN202120498465 U CN 202120498465U CN 214371733 U CN214371733 U CN 214371733U
- Authority
- CN
- China
- Prior art keywords
- wall
- bolt
- fixed
- transmission
- belt
- 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
- 239000011819 refractory material Substances 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000003756 stirring Methods 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses an equipment is used in hot-blast main refractory material inside lining construction, including the agitator tank, the bottom outer wall of agitator tank has the base through the bolt fastening, and one side outer wall of agitator tank has the controller through the bolt fastening, and one side outer wall of agitator tank has the discharge tube through the bolt fastening, and the top outer wall of agitator tank has the apron through the bolt fastening, and top one side outer wall of apron has the hopper through the bolt fastening, and one side inner wall of hopper is provided with vibrating mechanism, and top one side outer wall of apron has the water tank through the bolt fastening, and apron one side is provided with humidification mechanism. The utility model discloses a start electric motor for electric motor drives one of them transmission shaft and rotates, makes one of them transmission epaxial drive wheel to drive another transmission shaft through the connecting band simultaneously and rotates, thereby drives the movable rod through the rotation of cam and carries out reciprocating motion, and then drives the filter plate and vibrate, breaks up refractory material through the vibration.
Description
Technical Field
The utility model relates to a refractory material inside lining construction technical field especially relates to a hot-blast main pipeline is equipment for refractory material inside lining construction.
Background
In the prior art, a hot air pipeline is a pipeline used for delivering hot air from a hot air furnace into a blast furnace through a hot air main pipe, a hot air surrounding pipe and an air supply branch pipe; the requirements for the hot air duct are as follows: the sealing is good, the air is not leaked, the high temperature resistance and the heat insulation are realized, the heat loss is less, the durability and the disassembly are simple and convenient, and the mechanization is easy; the lining material is also made of clay bricks or refractory castable, and the common refractory materials comprise: high-alumina bricks, clay bricks, light heat-insulating materials and the like.
In the in-process of laying the construction, need stir the back to refractory material, can apply paint with a brush to the pipeline inner wall, consequently, whether the stirring mixes fully or whether wherein thoughtlessly there is impurity, all can cause the influence to its result of use, and most mixer on the market today is when the feeding, easily produces and blocks up accumulational phenomenon, often can be to reducing its stirring efficiency, influence follow-up construction flow, also can reduce its life simultaneously, make the machine change overhaul the number of times frequent, be inconvenient for use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing equipment for the construction of the refractory material lining of the hot air pipeline.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an equipment is used in hot-blast pipeline refractory material inside lining construction, including the agitator tank, the bottom outer wall of agitator tank has the base through the bolt fastening, one side outer wall of agitator tank has the controller through the bolt fastening, one side outer wall of agitator tank has the discharge tube through the bolt fastening, the top outer wall of agitator tank has the apron through the bolt fastening, top one side outer wall of apron has the hopper through the bolt fastening, one side inner wall of hopper is provided with vibration mechanism, top one side outer wall of apron has the water tank through the bolt fastening, apron one side is provided with humidification mechanism, the top outer wall of apron has the charge level indicator through the bolt fastening, one side inner wall of agitator tank is provided with rabbling mechanism, the bottom inner wall of agitator tank has the pressure detector through the bolt fastening.
As a further aspect of the present invention: the vibrating mechanism comprises an electric motor, two transmission shafts, a connecting belt, a filter plate and two transmission wheels, wherein the electric motor is fixed on the outer wall of one side of the hopper through bolts, one end of one of the transmission shafts is fixed on the output end of the electric motor through a rotating shaft, and the other transmission shaft is fixed on the inner wall of the opposite side of the hopper through a bearing.
As a further aspect of the present invention: every one side outer wall of transmission shaft all is fixed with two cams through the pivot, and one side outer wall of every cam all is fixed with the movable rod through the pivot, and the bottom outer wall of filter plate passes through the bolt fastening in the one end of movable rod, and one side outer wall of every drive wheel all is fixed in on one side outer wall of transmission shaft through the pivot, and every connecting band all cup joints on one side outer wall of every drive wheel, and the connecting band forms the transmission with the drive wheel and is connected.
As a further aspect of the present invention: the humidifying mechanism comprises two conveying pipes, a water pump, a filter and more than three nozzles, the water pump is fixed on the outer wall of one side of the water tank through bolts, one end of each conveying pipe is fixed on the water inlet and the water outlet of the water pump through bolts, and the other end of one conveying pipe is connected with the water tank through bolts.
As a further aspect of the present invention: another the other end of conveyer pipe is passed through the bolt and is connected with the agitator tank, and the other end of another conveyer pipe runs through inside the agitator tank, and on the filter passed through the bolt fastening in one side outer wall of another conveyer pipe, there was the control valve through the bolt fastening on one side outer wall of another conveyer pipe, and the one end of every nozzle all passes through the bolt fastening on one side outer wall of another conveyer pipe.
As a further aspect of the present invention: the stirring mechanism comprises a transmission belt, three belt pulleys, a motor, more than three stirring blades and two rotating shafts, the motor is fixed on the outer wall of the top of the cover plate through bolts, and one of the belt pulleys is fixed at the output end of the motor through the rotating shaft.
As a further aspect of the present invention: the other two the belt pulley passes through the bearing and is connected with the agitator tank, and the drive belt cup joints on one side outer wall of every belt pulley, and the drive belt all forms the transmission with every belt pulley and is connected, and the one end of every rotation axis all is fixed in on one side outer wall of two other belt pulleys through the pivot, and every stirring vane all passes through the bolt fastening on one side outer wall of every rotation axis.
Compared with the prior art, the utility model provides an equipment is used in hot-blast main refractory material inside lining construction possesses following beneficial effect:
1. this be used for hot-blast main refractory material inside lining equipment for construction, through starting electric motor for electric motor drives one of them transmission shaft and rotates, makes one of them epaxial drive wheel of transmission drive another transmission shaft through the connecting band simultaneously and rotates, thereby drives the movable rod through the rotation of cam and carries out reciprocating motion, and then drives the filter plate and vibrate, breaks up refractory material through the vibration, prevents its caking.
2. This an equipment for hot-blast main refractory inside lining construction, through starting the water pump for the water pump passes through the conveyer pipe and carries to nozzle department with the water in the water tank, sprays water in the agitator tank through the nozzle, carries out the humidification to its inside refractory, prevents simultaneously that the smoke and dust from diffusing, filters water through the filter, prevents that aquatic from mixing with impurity, thereby sprays to the agitator tank in, influences refractory's result of use.
3. This be used for hot-blast main refractory material inside lining equipment for construction, through starter motor for the motor drives one of them belt pulley and rotates, and one of them belt pulley drives two other belt pulleys through the drive belt and rotates, thereby can drive two rotation axes and rotate, and then drives stirring vane and rotate, carries out the intensive mixing stirring to refractory material.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation.
Drawings
FIG. 1 is a schematic structural view of a hot air duct refractory lining construction device according to the present invention;
FIG. 2 is a schematic view of a rear view of the hot air duct refractory lining construction equipment according to the present invention;
FIG. 3 is a schematic cross-sectional view of the refractory lining construction equipment for a hot air duct according to the present invention;
fig. 4 is a schematic structural view of a vibration mechanism of the hot air duct refractory lining construction equipment provided by the utility model.
In the figure: 1-base, 2-stirring box, 3-driving belt, 4-belt pulley, 5-conveying pipe, 6-level indicator, 7-water pump, 8-filter, 9-control valve, 10-hopper, 11-electric motor, 12-cover plate, 13-controller, 14-motor, 15-water tank, 16-discharge pipe, 17-stirring blade, 18-nozzle, 19-rotating shaft, 20-pressure detector, 21-driving shaft, 22-connecting belt, 23-filtering plate, 24-movable rod, 25-cam and 26-driving wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
An apparatus for hot air duct refractory lining construction is shown in fig. 1-4, and comprises an agitator tank 2, wherein a base 1 is fixed on the outer wall of the bottom of the agitator tank 2 through a bolt, a controller 13 is fixed on the outer wall of one side of the agitator tank 2 through a bolt, a discharge pipe 16 is fixed on the outer wall of one side of the agitator tank 2 through a bolt, a cover plate 12 is fixed on the outer wall of the top of the agitator tank 2 through a bolt, a hopper 10 is fixed on the outer wall of one side of the top of the cover plate 12 through a bolt, a vibrating mechanism is arranged on the inner wall of one side of the hopper 10, a water tank 15 is fixed on the outer wall of one side of the top of the cover plate 12 through a bolt, a material level meter 6 is fixed on the outer wall of the top of the cover plate 12 through a bolt, an agitating mechanism is arranged on the inner wall of one side of the agitator tank 2, and a pressure detector 20 is fixed on the inner wall of the bottom of the agitator tank 2 through a bolt; carry out the pay-off through vibration mechanism to break up refractory material through the vibration, prevent its caking, the phenomenon that appears blockking up when preventing the feeding simultaneously carries out the humidification and adds moisture to refractory material through humidification mechanism, prevents the smoke and dust diffusion, can carry out the ratio to it simultaneously, carries out intensive mixing through rabbling mechanism to it and mixes, and then can carry out laying of hot-blast main inside lining.
In order to prevent the blocking phenomenon during feeding, as shown in fig. 1 and 4, the vibration mechanism includes an electric motor 11, two transmission shafts 21, a connecting belt 22, a filter plate 23 and two transmission wheels 26, the electric motor 11 is fixed on an outer wall of one side of the hopper 10 by bolts, one end of one transmission shaft 21 is fixed on an output end of the electric motor 11 by a rotating shaft, the other transmission shaft 21 is fixed on an inner wall of the opposite side of the hopper 10 by a bearing, two cams 25 are fixed on an outer wall of one side of each transmission shaft 21 by a rotating shaft, a movable rod 24 is fixed on an outer wall of one side of each cam 25 by a rotating shaft, an outer wall of the bottom of the filter plate 23 is fixed on one end of the movable rod 24 by bolts, an outer wall of one side of each transmission wheel 26 is fixed on an outer wall of one side of the transmission shaft 21 by a rotating shaft, each connecting belt 22 is sleeved on an outer wall of one side of each transmission wheel 26, and the connecting belt 22 is in transmission connection with the transmission wheel 26; by starting the electric motor 11, the electric motor 11 drives one of the transmission shafts 21 to rotate, and simultaneously the transmission wheel 26 on one of the transmission shafts 21 drives the other transmission shaft 21 to rotate through the connecting belt 22, so that the rotation of the cam 25 drives the movable rod 24 to reciprocate, and further drives the filter plate 23 to vibrate, and the refractory materials are scattered through vibration, so that the agglomeration of the refractory materials is prevented.
In order to prevent the smoke from diffusing, as shown in fig. 1 and 3, the humidifying mechanism includes two delivery pipes 5, a water pump 7, a filter 8 and more than three nozzles 18, the water pump 7 is fixed on the outer wall of one side of the water tank 15 through bolts, one end of each delivery pipe 5 is respectively fixed on the water inlet and the water outlet of the water pump 7 through bolts, the other end of one delivery pipe 5 is connected with the water tank 15 through bolts, the other end of the other delivery pipe 5 is connected with the stirring tank 2 through bolts, the other end of the other delivery pipe 5 penetrates through the stirring tank 2, the filter 8 is fixed on the outer wall of one side of the other delivery pipe 5 through bolts, a control valve 9 is fixed on the outer wall of one side of the other delivery pipe 5 through bolts, and one end of each nozzle 18 is fixed on the outer wall of one side of the other delivery pipe 5 through bolts; through starting water pump 7 for water pump 7 carries to nozzle 18 department through conveyer pipe 5 with the water in the water tank 15, sprays water in agitator tank 2 through nozzle 18, carries out the humidification to its inside refractory material, prevents the smoke and dust diffusion simultaneously, filters water through filter 8, prevents that aquatic from mixing with impurity, thereby sprays to agitator tank 2 in, influences refractory material's result of use.
In order to sufficiently stir and mix the refractory materials, as shown in fig. 1, 2 and 3, the stirring mechanism includes a transmission belt 3, three belt pulleys 4, a motor 14, more than three stirring blades 17 and two rotating shafts 19, the motor 14 is fixed on the outer wall of the top of the cover plate 12 through bolts, one belt pulley 4 is fixed on the output end of the motor 14 through a rotating shaft, the other two belt pulleys 4 are connected with the stirring box 2 through bearings, the transmission belt 3 is sleeved on the outer wall of one side of each belt pulley 4, the transmission belt 3 and each belt pulley 4 are in transmission connection, one end of each rotating shaft 19 is fixed on the outer wall of one side of the other two belt pulleys 4 through a rotating shaft, and each stirring blade 17 is fixed on the outer wall of one side of each rotating shaft 19 through bolts; through starter motor 14 for motor 14 drives one of them belt pulley 4 and rotates, and one of them belt pulley 4 drives two other belt pulleys 4 through drive belt 3 and rotates, thereby can drive two rotation axes 19 and rotate, and then drives stirring vane 17 and rotate, carries out the intensive mixing stirring to refractory material.
The working principle is as follows: starting the electric motor 11, so that the electric motor 11 drives one of the transmission shafts 21 to rotate, and simultaneously the transmission wheel 26 on one of the transmission shafts 21 drives the other transmission shaft 21 to rotate through the connection belt 22, so that the movable rod 24 is driven to reciprocate through the rotation of the cam 25, and the filter plate 23 is driven to vibrate, and the refractory materials are scattered through vibration, starting the water pump 7, so that the water pump 7 conveys the water in the water tank 15 to the nozzle 18 through the conveying pipe 5, the water is sprayed in the stirring tank 2 through the nozzle 18, and the refractory materials in the stirring tank are humidified, starting the motor 14, so that the motor 14 drives one of the belt pulleys 4 to rotate, one of the belt pulleys 4 drives the other two belt pulleys 4 to rotate through the transmission belt 3, and thus the two rotating shafts 19 can be driven to rotate, and further the stirring blades 17 are driven to rotate, the refractory materials are fully mixed and stirred.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The equipment for the construction of the refractory material lining of the hot air pipeline comprises a stirring box (2) and is characterized in that a base (1) is fixed on the outer wall of the bottom of the stirring box (2) through a bolt, a controller (13) is fixed on the outer wall of one side of the stirring box (2) through a bolt, a discharge pipe (16) is fixed on the outer wall of one side of the stirring box (2) through a bolt, a cover plate (12) is fixed on the outer wall of the top of the stirring box (2) through a bolt, a hopper (10) is fixed on the outer wall of one side of the top of the cover plate (12) through a bolt, a vibration mechanism is arranged on the inner wall of one side of the hopper (10), a water tank (15) is fixed on the outer wall of one side of the top of the cover plate (12) through a bolt, a humidifying mechanism is arranged on one side of the cover plate (12), a material level meter (6) is fixed on the outer wall of the top of the cover plate (12) through a bolt, and a stirring mechanism is arranged on the inner wall of one side of the stirring box (2), the inner wall of the bottom of the stirring box (2) is fixed with a pressure detector (20) through a bolt.
2. The equipment for hot blast duct refractory lining construction according to claim 1, wherein said vibrating mechanism comprises an electric motor (11), two transmission shafts (21), a connecting belt (22), a filter plate (23) and two transmission wheels (26), the electric motor (11) is disposed on the outer wall of one side of the hopper (10) by bolts, one end of one of the transmission shafts (21) is disposed on the output end of the electric motor (11) by a rotating shaft, and the other transmission shaft (21) is disposed on the inner wall of the opposite side of the hopper (10) by a bearing.
3. The equipment for the construction of the refractory material lining of the hot air pipeline according to claim 2, wherein two cams (25) are fixed on the outer wall of one side of each transmission shaft (21) through a rotating shaft, a movable rod (24) is fixed on the outer wall of one side of each cam (25) through a rotating shaft, the outer wall of the bottom of each filter plate (23) is arranged at one end of the movable rod (24) through a bolt, the outer wall of one side of each transmission wheel (26) is arranged on the outer wall of one side of each transmission shaft (21) through a rotating shaft, each connecting belt (22) is sleeved on the outer wall of one side of each transmission wheel (26), and the connecting belts (22) are in transmission connection with the transmission wheels (26).
4. The equipment for hot blast pipeline refractory lining construction according to claim 1, wherein the humidifying mechanism comprises two delivery pipes (5), a water pump (7), a filter (8) and more than three nozzles (18), the water pump (7) is arranged on the outer wall of one side of the water tank (15) through bolts, one end of each delivery pipe (5) is respectively arranged at the water inlet and the water outlet of the water pump (7) through bolts, and the other end of one delivery pipe (5) is connected with the water tank (15) through bolts.
5. The equipment for the construction of the refractory lining of a hot blast pipeline according to claim 4, wherein the other end of the other delivery pipe (5) is connected with the stirring box (2) through a bolt, the other end of the other delivery pipe (5) penetrates through the stirring box (2), the filter (8) is arranged on the outer wall of one side of the other delivery pipe (5) through a bolt, the control valve (9) is fixed on the outer wall of one side of the other delivery pipe (5) through a bolt, and one end of each nozzle (18) is arranged on the outer wall of one side of the other delivery pipe (5) through a bolt.
6. The equipment for the construction of the refractory material lining of the hot air duct according to claim 1, wherein the stirring mechanism comprises a transmission belt (3), three belt pulleys (4), a motor (14), more than three stirring blades (17) and two rotating shafts (19), the motor (14) is arranged on the outer wall of the top of the cover plate (12) through bolts, and one of the belt pulleys (4) is arranged at the output end of the motor (14) through the rotating shaft.
7. The equipment for the construction of the refractory material lining of the hot air pipeline according to claim 6, wherein the other two belt pulleys (4) are connected with the stirring box (2) through bearings, the transmission belt (3) is sleeved on the outer wall of one side of each belt pulley (4), the transmission belt (3) is in transmission connection with each belt pulley (4), one end of each rotating shaft (19) is arranged on the outer wall of one side of each of the other two belt pulleys (4) through a rotating shaft, and each stirring blade (17) is arranged on the outer wall of one side of each rotating shaft (19) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120498465.XU CN214371733U (en) | 2021-03-09 | 2021-03-09 | Equipment is used in hot-blast pipeline refractory material inside lining construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120498465.XU CN214371733U (en) | 2021-03-09 | 2021-03-09 | Equipment is used in hot-blast pipeline refractory material inside lining construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214371733U true CN214371733U (en) | 2021-10-08 |
Family
ID=77971538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120498465.XU Expired - Fee Related CN214371733U (en) | 2021-03-09 | 2021-03-09 | Equipment is used in hot-blast pipeline refractory material inside lining construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214371733U (en) |
-
2021
- 2021-03-09 CN CN202120498465.XU patent/CN214371733U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102817622A (en) | Negative pressure type concrete wet-spray machine set | |
| CN214371733U (en) | Equipment is used in hot-blast pipeline refractory material inside lining construction | |
| CN214954713U (en) | Temperature control device for concrete | |
| CN205905200U (en) | Horizontal biax stirring cement foaming machine | |
| CN114734534A (en) | Heat preservation concrete preparation hybrid system | |
| CN109834832A (en) | A kind of concrete mixer | |
| JP3238873U (en) | new limestone powder mixer | |
| CN207102520U (en) | Twin shaft wetting stirrer | |
| CN108579516A (en) | One kind having functions/drying lithium carbonate production intermingling apparatus | |
| CN210791533U (en) | Injection formula additive adds equipment | |
| CN210732817U (en) | Mortar mixer for construction | |
| CN209580018U (en) | A kind of dry powder mortar production line | |
| CN209453898U (en) | A kind of construction cement mortar preparation facilities | |
| CN113351097A (en) | Fiber and powder mixing stirrer | |
| CN208812295U (en) | A kind of silt spray equipment for tunnel maintenance | |
| CN213918914U (en) | Mixing, stirring and discharging device for building cement | |
| CN215882241U (en) | Plastic tubing industry raw material mixing loading attachment | |
| CN215716948U (en) | Building guniting robot with quantitative feeding function | |
| CN209903591U (en) | Concrete mixing plant equipment of adding water | |
| CN214287847U (en) | Lubricating oil blending device | |
| CN217662764U (en) | Stirring and mixing device for micro-ecological feed additive | |
| CN214925686U (en) | Vertical mixing system for preparing dry-mixed mortar | |
| CN217020978U (en) | Concrete water reducing agent pre-mixing equipment | |
| CN220975899U (en) | Conveying device for concrete powder | |
| CN214106912U (en) | Chemical industry reation kettle that chemical industry was used |
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: 20211008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |