CN219922393U - Air filter cloth dust remover - Google Patents
Air filter cloth dust remover Download PDFInfo
- Publication number
- CN219922393U CN219922393U CN202321412063.9U CN202321412063U CN219922393U CN 219922393 U CN219922393 U CN 219922393U CN 202321412063 U CN202321412063 U CN 202321412063U CN 219922393 U CN219922393 U CN 219922393U
- Authority
- CN
- China
- Prior art keywords
- filter cloth
- air filter
- dust
- air
- box body
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 76
- 239000004744 fabric Substances 0.000 title claims abstract description 70
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000010405 clearance mechanism Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an air filter cloth dust remover, and relates to the technical field of dust remover structures. The utility model relates to an air filter cloth dust remover which comprises a dust removing box, wherein an exhaust component is arranged on the front side surface of the dust removing box, filtering components are arranged on the left side, the right side and the inside of the dust removing box, coiled air filter cloth is sleeved on the surface of the filtering components, a cleaning mechanism is arranged on the inner surface of the dust removing box, and an exhaust pipe for exhausting clean air is arranged at the top of the dust removing box. According to the utility model, the coiled air filter cloth penetrates through the notch and is conveyed to the surface of the other group of rotating rollers, and the rotating rollers positioned at the left side are coiled by matching with manpower, so that the air filter cloth positioned in the box body is always in a clean state, and the cleaning brush can rub the surface of the air filter cloth in a reciprocating manner, so that dust attached to the surface of the air filter cloth is cleaned, and the burden of the subsequent cleaning operation of the air filter cloth is reduced.
Description
Technical Field
The utility model relates to the technical field of dust remover structures, in particular to an air filter cloth dust remover.
Background
Dust refers to solid particles suspended in air, and conventionally has many names for dust, such as dust, smoke dust, mineral dust, sand dust and powder, and a dust remover is often needed in life and work, and Chinese patent publication No. CN213408109U discloses an air filter cloth dust remover, which relates to the technical field of environmental protection dust removal and comprises: a dust removal box body, a ventilator and an axial flow fan; the surface of the dust removal box body is provided with a first ventilation opening and a second air outlet; a baffle structure is arranged in the first containing cavity of the dust removing box body, and the second containing cavity is communicated with the first containing cavity; the ventilator blows air into the first containing cavity through the first ventilation opening, and the axial flow fan pumps the air out of the second containing cavity to the outside of the dust removing box body through the second air outlet.
The above patent baffle structure can make the air current change direction, utilize the inertial force of granule dust in the air current, make granule dust separate out from the air current and stay in the dust removal box, thereby guarantee that this air filter cloth dust remover can be efficient clear up the air filter cloth, generally consider the cost problem of air filter cloth and can with its reuse, thereby practice thrift the cost, air filter cloth is filtered the muddy air after, its surface must can adhere to a large amount of dust residues, in the gap of air filter cloth can be permeated to the dust after a period of time, if wait to clear up again after using, must increase the clearance degree of difficulty of air filter cloth, this must have an influence to subsequent use.
Therefore, an air filter cloth dust remover is provided.
Disclosure of Invention
The utility model aims at: in order to solve the problems mentioned in the background art, the utility model provides an air filter cloth dust remover.
The utility model adopts the following technical scheme for realizing the purposes:
the utility model provides an air filter cloth dust shaker, includes the dust removal case, the front side surface of dust removal case is equipped with the extraction air subassembly, the left and right sides and the inside of dust removal case all are equipped with the filter component that is used for filtering air dust, the surface cover of filter component is equipped with the air filter cloth of lapping, the internal surface of dust removal case is equipped with the clearance mechanism that is used for carrying out the clearance to air filter cloth's surface, the top of dust removal case is equipped with the blast pipe of discharging clean air.
Further, the dust removal box comprises a box body, a chute is formed in the bottom of the inner side of the box body, notches are formed in the surfaces of the left side and the right side of the box body and are correspondingly formed, and the exhaust pipe is arranged in the middle of the top surface of the box body.
Further, the exhaust assembly comprises a connecting pipe, the connecting pipe is fixedly inserted into the front side surface of the box body, the front end of the connecting pipe is fixedly connected with an exhaust fan, the surface of the exhaust fan is fixedly connected with an air suction pipe, and the front end of the air suction pipe is fixedly connected with a gas collecting hood.
Further, the filter component comprises a first base, the right side fixed surface of box is equipped with first base, the fixed first motor that is equipped with in top of first base, the surface of the left and right sides of box is all fixed and is equipped with the fixed plate and all is equipped with two sets of and is corresponding setting, the roller is installed to the opposite rotation of fixed plate, and is located the front end of roller on the right side and runs through the surface of fixed plate and be fixed connection setting with the output of first motor, the surface cover of roller is equipped with the air filter cloth of lapping.
Further, clearance mechanism includes the second base, and the inboard bottom of box is fixed to be equipped with the second base, the fixed second motor that is equipped with in top of second base, the inboard bottom of box is fixed to be equipped with the mounting panel and has two sets of, is located the front and back both sides of spout respectively and is corresponding setting, the fixed cover of output of second motor is equipped with incomplete gear, the inner wall slidable mounting of spout has the removal circle, the inside and outside top and the inboard bottom of removal circle all are equipped with a plurality of groups teeth of a cogwheel, and incomplete gear all meshes with the teeth of a cogwheel that is located the inboard top and the inboard bottom of removal circle, the transfer line is installed in the surface all rotation of two sets of mounting panels, the fixed cover of surface of transfer line is equipped with the gear, and the gear meshes with the teeth that are located the outside top of removal circle, two sections of transfer line are all fixedly connected with clearance brush.
Further, the surface of the cleaning brush is in contact with the surface of the air filter cloth positioned in the box body.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the first motor output end drives the rotating roller to rotate, so that coiled air filter cloth penetrates through the notch and is conveyed to the surface of the other group of rotating rollers, the rotating roller positioned on the left side is rolled up by cooperation with manpower, at the moment, the air filter cloth can be intermittently conveyed, so that the air filter cloth positioned in the box body is always in a clean state, the filtering effect on dust in the air is further improved, the second motor output end drives the incomplete gear to rotate, the incomplete gear can be meshed with gear teeth to enable the movable coil to reciprocate in the left-right direction, the gear teeth on the outer side of the movable coil can be meshed with the gear to reciprocate when the movable coil moves, the gear reciprocates to enable the transmission rod to reciprocate, so that the cleaning brush can swing in the left-right direction, the reciprocating swing of the cleaning brush can generate friction with the surface of the air filter cloth, and therefore, the dust attached to the surface of the air filter cloth is cleaned, and the burden of the cleaning operation on the air filter cloth is further relieved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic elevational view in section of the present utility model;
FIG. 3 is a schematic side cut-away view of the present utility model;
FIG. 4 is a schematic view of an enlarged view of section A of the present utility model;
reference numerals: 1. a dust removal box; 101. a case; 102. a chute; 103. a notch; 2. an air draft assembly; 201. a connecting pipe; 202. an exhaust fan; 203. an air suction pipe; 204. a gas collecting hood; 3. a filter assembly; 301. a first base; 302. a first motor; 303. a fixing plate; 304. a rotating roller; 4. a cleaning mechanism; 401. a second base; 402. a second motor; 403. a mounting plate; 404. an incomplete gear; 405. a moving coil; 406. gear teeth; 407. a gear; 408. a transmission rod; 409. cleaning brushes; 5. and an exhaust pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
As shown in fig. 1 to 4, an air filter cloth dust remover comprises a dust removing box 1, wherein an air exhausting component 2 is arranged on the front side surface of the dust removing box 1, a filtering component 3 for filtering air dust is arranged on the left side, the right side and the inside of the dust removing box 1, coiled air filter cloth is sleeved on the surface of the filtering component 3, a cleaning mechanism 4 for cleaning the surface of the air filter cloth is arranged on the inner surface of the dust removing box 1, and an exhaust pipe 5 for exhausting clean air is arranged at the top of the dust removing box 1; specifically, the inside of dust removal case 1 is inhaled to the air that will be turbid through convulsions subassembly 2, be the trend that rises when the inside air of dust removal case 1 is inhaled enough, turbid air filters under the effect of air filter cloth in the ascending process, clean air after the filtration can run through air filter cloth and discharge through blast pipe 5, the dust after the filtration can be attached to air filter cloth's surface, clear up the dust on air filter cloth surface through clean mechanism 4 this moment, thereby clear up partial dust on air filter cloth surface, and then alleviate the burden for the subsequent cleaning operation of air filter cloth.
As shown in fig. 1 and 2, the dust collection box 1 includes a box 101, a chute 102 is formed at the bottom of the inner side of the box 101, notches 103 are formed on the surfaces of the left and right sides of the box 101 and are correspondingly arranged, and an exhaust pipe 5 is arranged in the middle of the top surface of the box 101; specifically, the chute 102 cooperates with the cleaning mechanism 4 to facilitate cleaning the surface of the air filter cloth, and the air filter cloth of the dust removal box 1 can penetrate through the notch 103, so that transmission is realized.
As shown in fig. 1 and 3, the exhaust assembly 2 includes a connecting pipe 201, a connecting pipe 201 is fixedly inserted into the front surface of the box 101, a suction fan 202 is fixedly connected to the front end of the connecting pipe 201, an air suction pipe 203 is fixedly connected to the surface of the suction fan 202, and a gas collecting hood 204 is fixedly connected to the front end of the air suction pipe 203; specifically, when the blower 202 is activated, as much turbid air as possible is extracted through the gas-collecting hood 204, and the turbid air is transferred to the inside of the casing 101 through the suction duct 203 and the connection duct 201.
As shown in fig. 1 and 3, the filter assembly 3 includes a first base 301, a first base 301 is fixedly disposed on a right side surface of the box 101, a first motor 302 is fixedly disposed on a top of the first base 301, two sets of fixing plates 303 are fixedly disposed on surfaces of left and right sides of the box 101 and are correspondingly disposed, a roller 304 is rotatably disposed opposite to the fixing plates 303, a front end of the roller 304 disposed on the right side penetrates through a surface of the fixing plate 303 and is fixedly connected with an output end of the first motor 302, and a coiled air filter cloth is sleeved on a surface of the roller 304; specifically, when the first motor 302 is started, the output end of the first motor drives the roller 304 to rotate, so that the coiled air filter cloth penetrates through the notch 103 and is conveyed to the surface of the other group of rollers 304, at the moment, the roller 304 positioned on the left side is coiled by matching with manual work, at the moment, the air filter cloth can be intermittently transmitted, and therefore the air filter cloth positioned in the box 101 is always in a clean state, and the filtering effect on dust in air is further improved.
As shown in fig. 2 and fig. 4, the cleaning mechanism 4 includes a second base 401, a second motor 402 is fixedly disposed at the bottom of the inner side of the box 101, two groups of mounting plates 403 are fixedly disposed at the bottom of the inner side of the box 101, two groups of mounting plates are respectively disposed at the front and rear sides of the chute 102 and are correspondingly disposed, an incomplete gear 404 is fixedly sleeved at the output end of the second motor 402, a moving coil 405 is slidably mounted on the inner wall of the chute 102, a plurality of groups of gear teeth 406 are disposed at the inner and outer tops and the inner bottoms of the moving coil 405, the incomplete gear 404 is engaged with the gear teeth 406 disposed at the inner tops and the inner bottoms of the moving coil 405, a transmission rod 408 is rotatably mounted on the surfaces of the two groups of mounting plates 403, the gear 407 is fixedly sleeved on the surface of the transmission rod 408, the gear 407 is engaged with the gear teeth 406 disposed at the outer tops of the moving coil 405, and brushes 409 are fixedly connected to the front and rear sections of the transmission rod 408; specifically, when the second motor 402 is started, the output end of the second motor drives the incomplete gear 404 to rotate, the incomplete gear 404 can be meshed with the gear teeth 406 when rotating to enable the moving ring 405 to reciprocate in the left-right direction, and the gear teeth 406 on the top of the outer side of the moving ring 405 can be meshed with the gear 407 to reciprocate when the moving ring 405 moves, and the gear 407 reciprocates to enable the transmission rod 408 to reciprocate, so that the cleaning brush 409 can swing in the left-right direction.
As shown in fig. 2, the surface of the cleaning brush 409 contacts with the surface of the air filter cloth located inside the cabinet 101; specifically, when the cleaning brush 409 swings reciprocally, friction can be generated between the cleaning brush 409 and the surface of the air filter cloth, and dust attached to the surface of the air filter cloth is cleaned during the friction process.
To sum up: the inside of box 101 is inhaled to the muddy air through exhaust component 2, be the trend that rises when the inside air of box 101 is inhaled enough, the muddy air filters under the effect of air filter cloth in the ascending process, when first motor 302 starts, its output drives the roller 304 and rotates, thereby make the air filter cloth of lapping run through notch 103 and to the surface transmission of another group roller 304, the cooperation is artifical to the roller 304 that lies in the left side this moment, the air filter cloth can intermittent transmission this moment, thereby guarantee that the inside air filter cloth of box 101 is in clean state all the time, and then the filter effect to the dust in the air is high, clean air after filtering can run through the air filter cloth and discharge through blast pipe 5, the dust after the filtration can be attached to the surface of air filter cloth, when second motor 402 starts, its output drives incomplete gear 404 and rotates, can engage gear 406 and make the reciprocating motion of motion in the left and right directions of travelling circle 405, can engage gear 407 and rotate reciprocally through the gear 407 in the gear 407 rotation in the time of the outside top, thereby the reciprocal transmission pole 409 can be cleaned up and down the reciprocal operation of reciprocal filter cloth, thereby the reciprocal operation of the reciprocal operation on the surface can be cleaned up and down the filter cloth is the reciprocal operation on the filter cloth, thereby the reciprocal operation is the reciprocal operation on the surface can be cleaned up and the filter cloth is the reciprocal, the filter cloth is can be cleaned down by the reciprocal rotation, the reciprocal operation is washed down, and can be washed down the air is convenient down and can be washed down and the surface and can be convenient down the time down and convenient.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an air filter cloth dust shaker, its characterized in that, includes dust removal case (1), the front side surface of dust removal case (1) is equipped with updraft ventilator (2), the left and right sides and the inside of dust removal case (1) all are equipped with filter component (3) that are used for filtering air dust, the surface cover of filter component (3) is equipped with the air filter cloth of lapping, the internal surface of dust removal case (1) is equipped with clean mechanism (4) that are used for carrying out the clearance to the surface of air filter cloth, the top of dust removal case (1) is equipped with blast pipe (5) of exhaust clean air.
2. The air filter cloth dust remover according to claim 1, characterized in that the dust removing box (1) comprises a box body (101), a chute (102) is formed in the bottom of the inner side of the box body (101), notches (103) are formed in the surfaces of the left side and the right side of the box body (101) respectively and are correspondingly formed, and an exhaust pipe (5) is arranged in the middle of the top surface of the box body (101).
3. An air filter cloth dust remover according to claim 2, characterized in that the air suction assembly (2) comprises a connecting pipe (201), the connecting pipe (201) is fixedly inserted into the front side surface of the box body (101), the front end of the connecting pipe (201) is fixedly connected with an exhaust fan (202), the surface of the exhaust fan (202) is fixedly connected with an air suction pipe (203), and the front end of the air suction pipe (203) is fixedly connected with a gas collecting hood (204).
4. An air filter cloth dust remover according to claim 2, characterized in that the filter assembly (3) comprises a first base (301), the right side surface fixing of the box (101) is provided with the first base (301), the top of the first base (301) is fixedly provided with a first motor (302), the surfaces of the left and right sides of the box (101) are fixedly provided with fixing plates (303) and are respectively provided with two groups of corresponding arrangement, the opposite rotation of the fixing plates (303) is provided with a rotating roller (304), and the front end of the rotating roller (304) positioned on the right side penetrates through the surface of the fixing plates (303) and is fixedly connected with the output end of the first motor (302), and the surface of the rotating roller (304) is sleeved with coiled air filter cloth.
5. An air filter cloth dust remover according to claim 4, characterized in that the cleaning mechanism (4) comprises a second base (401), the inside bottom of the box body (101) is fixedly provided with the second base (401), the top of the second base (401) is fixedly provided with a second motor (402), the inside bottom of the box body (101) is fixedly provided with a mounting plate (403) and two groups of mounting plates are respectively located on the front side and the rear side of the chute (102) and are correspondingly arranged, the output end of the second motor (402) is fixedly sleeved with an incomplete gear (404), the inner wall of the chute (102) is slidably provided with a moving coil (405), the inside and outside top and the inside bottom of the moving coil (405) are respectively provided with a plurality of groups of gear teeth (406), the incomplete gear (404) are respectively meshed with the gear teeth (406) located on the inside top and the inside bottom of the moving coil (405), the surface of the two groups of mounting plates (403) are respectively rotatably provided with a transmission rod (408), the surface fixing sleeve of the transmission rod (408) is provided with a gear (407), the gear (407) is respectively meshed with the gear teeth (408) located on the outside of the moving coil (405), and the two sections of the inner side of the moving coil (405) are respectively provided with a cleaning brush segment (409).
6. An air filter cloth dust collector according to claim 5, characterized in that the surface of the cleaning brush (409) is in contact with the surface of the air filter cloth inside the housing (101).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321412063.9U CN219922393U (en) | 2023-06-05 | 2023-06-05 | Air filter cloth dust remover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321412063.9U CN219922393U (en) | 2023-06-05 | 2023-06-05 | Air filter cloth dust remover |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219922393U true CN219922393U (en) | 2023-10-31 |
Family
ID=88487494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321412063.9U Active CN219922393U (en) | 2023-06-05 | 2023-06-05 | Air filter cloth dust remover |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219922393U (en) |
-
2023
- 2023-06-05 CN CN202321412063.9U patent/CN219922393U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205598817U (en) | Dust removal filter equipment with a rotatory section of thick bamboo and automatic deashing function of straining | |
CN208998260U (en) | A kind of fresh air purifier improving clean-up effect | |
CN211963409U (en) | Environment-friendly dust treatment device | |
CN210964341U (en) | Industrial dust collector convenient to clean | |
CN115179203A (en) | Shot blasting machine with dust removal function and using method | |
CN219922393U (en) | Air filter cloth dust remover | |
CN212550826U (en) | Dust collecting device of air box pulse bag type dust collector | |
CN219323994U (en) | Dust remover | |
CN217887330U (en) | Environment-friendly dust removal equipment with compression function | |
CN216384484U (en) | Intelligence air purification device for house | |
CN216149276U (en) | Energy-saving laser type dust removal equipment | |
CN211435438U (en) | Intelligent dust removal equipment based on Internet of things | |
CN2521524Y (en) | Environment protection extruding & sraping suction exhauster for removing cooking fumes | |
CN221385606U (en) | Purifying device of bag-type dust collector | |
CN220214327U (en) | Environment-friendly dust treatment device | |
CN219023783U (en) | Portable filter dust remover | |
CN218357987U (en) | Reverse-flow pulse back-blowing bag type dust collector | |
CN215276207U (en) | Dust recovery device | |
CN220590984U (en) | Dust removing device in rough concentrate transportation | |
CN204543822U (en) | Automatic dust fall device | |
CN218740862U (en) | Air filter for air compressor | |
CN104826413B (en) | Automatic dust fall device | |
CN220793239U (en) | Fume purifying integrated fume hood | |
CN220513670U (en) | Cloth bag dust remover for producing sodium tert-butoxide | |
CN221131417U (en) | Cloth bag dust remover for waste gas treatment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |