CN220716878U - Photovoltaic board cleaning device - Google Patents
Photovoltaic board cleaning device Download PDFInfo
- Publication number
- CN220716878U CN220716878U CN202322139856.4U CN202322139856U CN220716878U CN 220716878 U CN220716878 U CN 220716878U CN 202322139856 U CN202322139856 U CN 202322139856U CN 220716878 U CN220716878 U CN 220716878U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- water
- cleaning
- cleaning chamber
- roller
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model belongs to the technical field of photovoltaic panel cleaning, in particular to a photovoltaic panel cleaning device, which comprises a frame, wherein a conveyor belt is rotatably connected above the inside of the frame; the upper surface of the frame is fixedly connected with a cleaning chamber; the middle part of the upper surface is fixedly connected with a water tank; the bottom of the water tank is provided with a plurality of water pipes which are uniformly arranged, and the water pipes penetrate through the upper part of the cleaning chamber; a spray head is fixedly connected below the water pipe; through the conveying of conveyer belt, when the photovoltaic board conveys the position of roller that absorbs water, the photovoltaic board front end can contact the roller that absorbs water and extrude the roller that absorbs water and make the roller that absorbs water upward move, the spring receives the extrusion and can shrink and can give mounting panel and a pressure of roller that absorbs water, the roller that absorbs water can be with pressure transfer to the photovoltaic board on, make the roller below that absorbs water and the surface of photovoltaic board can laminate, and at the in-process that the conveyer belt conveyed the photovoltaic board, the roller that absorbs water can rotate, thereby can get rid of the water on photovoltaic board surface, can not form the incrustation scale, can not influence the use of photovoltaic board.
Description
Technical Field
The utility model belongs to the technical field of photovoltaic panel cleaning, and particularly relates to a photovoltaic panel cleaning device.
Background
The photovoltaic panel is a power generation device which generates direct current when exposed to sunlight, and after the photovoltaic panel is produced or used for a long time, the surface of the photovoltaic panel needs to be cleaned so as to ensure the use efficiency of the photovoltaic panel.
At present, the existing specific mode for cleaning the photovoltaic panel is as follows: through placing photovoltaic board on clean bench, through the starter motor, the motor drives the lead screw and rotates and make the brush board slide in the lead screw outside, at the gliding in-process of brush board, the brush board can clean the surface of photovoltaic board.
In the prior art, in order to reach better cleaning performance, when cleaning the photovoltaic board, can also spray water to the surface of photovoltaic board generally, though can play the cleaning action through the brush board, but unable water on photovoltaic board surface is got rid of, and water stays the surface of photovoltaic board for a long time and can form the incrustation scale, influences the use of photovoltaic board.
Accordingly, a photovoltaic panel cleaning apparatus is proposed to address the above-described problems.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the problems, the photovoltaic panel cleaning device is provided.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a photovoltaic panel cleaning device, which comprises a frame, wherein a conveyor belt is rotatably connected above the inside of the frame; the upper surface of the frame is fixedly connected with a cleaning chamber; the middle part of the upper surface is fixedly connected with a water tank; the bottom of the water tank is provided with a plurality of water pipes which are uniformly arranged, and the water pipes penetrate through the upper part of the cleaning chamber; a spray head is fixedly connected below the water pipe; a cleaning component is arranged in the cleaning chamber at a position corresponding to one side of the water tank, and the cleaning component is used for cleaning the photovoltaic panel; the cleaning chamber is internally provided with a water removal component at a position corresponding to the other side of the water tank, and the water removal component comprises a spring and a mounting plate, and the mounting plate is fixedly connected below the spring.
Preferably, the cleaning assembly comprises a motor, and the motor is fixedly connected to the upper surface of the cleaning chamber; the motor output end is rotationally connected with a rotating shaft; the outer side of the rotating shaft is fixedly connected with a bevel gear I which is symmetrically arranged; the outer side of the bevel gear I is meshed with a bevel gear II; a screw rod is fixedly connected below the bevel gear II and penetrates through the upper part of the cleaning chamber; the outer side of the screw rod is connected with a U-shaped sliding plate in a sliding manner; a hairbrush plate is fixedly connected below the U-shaped sliding plate; the cleaning chamber is internally fixedly connected with symmetrically arranged L-shaped fixing plates at positions corresponding to the lower parts of the screw rods, and the lower parts of the screw rods are rotationally connected below the L-shaped fixing plates.
Preferably, the water removal assembly comprises a U-shaped connecting plate, and the U-shaped connecting plate is fixedly connected above the inside of the cleaning chamber; the bottom of the U-shaped connecting plate is fixedly connected with a plurality of springs which are uniformly arranged; a mounting plate is fixedly connected below the spring; the inside rotation of mounting panel is connected with the water absorbing roller.
Preferably, a plurality of uniformly arranged limiting rods are fixedly connected above the mounting plate corresponding to the positions of the springs, and the limiting rods are positioned in the springs; the U-shaped connecting plate is provided with a plurality of uniformly arranged limiting grooves at positions corresponding to the limiting rods, and the limiting rods are slidably connected in the limiting grooves.
Preferably, a plurality of stop rods which are uniformly arranged are fixedly connected on the conveyor belt.
Preferably, baffle plates which are symmetrically arranged are fixedly connected at the positions above the inside of the cleaning chamber and corresponding to the two ends of the spray heads; the protection box is fixedly connected above the cleaning chamber corresponding to the motor, and the first bevel gear and the second bevel gear are positioned inside the protection box.
The utility model has the beneficial effects that:
the utility model provides a photovoltaic plate cleaning device, which is characterized in that a photovoltaic plate is placed on a conveyor belt, the rear end of the photovoltaic plate is contacted with a baffle rod, the photovoltaic plate can enter a cleaning chamber under the conveying of the conveyor belt, dust on the surface of the photovoltaic plate can be cleaned through a hairbrush plate, the surface of the photovoltaic plate can be cleaned through spraying water through a spray head, when the photovoltaic plate is conveyed to a position of a water absorbing roller, the front end of the photovoltaic plate can be contacted with the water absorbing roller, the water absorbing roller is extruded by the photovoltaic plate, the water absorbing roller is extruded to move upwards, the water absorbing roller moves upwards to extrude a spring, the spring is extruded to shrink and can provide pressure for a mounting plate and the water absorbing roller, the pressure is transmitted to the photovoltaic plate by the water absorbing roller, the lower part of the water absorbing roller can be attached to the surface of the photovoltaic plate, and in the conveying process of the photovoltaic plate, the water absorbing roller can be rotated, so that water on the surface of the photovoltaic plate can be removed, scale can not be formed, and the use of the photovoltaic plate can not be affected.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a perspective view of the present utility model;
fig. 3 is a perspective view of the inside of the protection box in the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a perspective view of the cleaning assembly of the present utility model;
fig. 6 is a perspective view of the water removal assembly of the present utility model.
Legend description:
1. a frame; 11. a conveyor belt; 12. a cleaning chamber; 2. a motor; 21. a rotating shaft; 22. bevel gears I; 23. bevel gears II; 24. a screw rod; 25. a U-shaped slide plate; 26. a brush plate; 27. an L-shaped fixing plate; 28. a protection box; 3. a U-shaped connecting plate; 31. a spring; 32. a mounting plate; 33. a suction roll; 34. a limit rod; 35. a limit groove; 4. a water tank; 41. a water pipe; 42. a spray head; 5. a baffle; 6. a stop lever.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Specific examples are given below.
Referring to fig. 1-6, the present utility model provides a photovoltaic panel cleaning apparatus, comprising a frame, wherein a conveyor belt 21 is rotatably connected to the upper part of the frame; the upper surface of the frame is fixedly connected with a cleaning chamber 12; the middle part of the upper surface is fixedly connected with a water tank; the bottom of the water tank is provided with a plurality of water pipes which are uniformly arranged, and the water pipes penetrate through the upper part of the cleaning chamber 12; a spray head is fixedly connected below the water pipe; a cleaning component is arranged in the cleaning chamber 12 at a position corresponding to one side of the water tank, and is used for cleaning the photovoltaic panel; the cleaning chamber 12 is internally provided with a water removal component corresponding to the position of the other side of the water tank, and the water removal component comprises a spring 63 and a mounting plate, and the mounting plate is fixedly connected below the spring 63.
When the cleaning device works, in the prior art, in order to achieve a better cleaning effect, water is sprayed to the surface of the photovoltaic plate when the photovoltaic plate is cleaned, the brush plate can play a role in cleaning, but the water on the surface of the photovoltaic plate cannot be removed, and scales can be formed on the surface of the photovoltaic plate after the water stays on the surface of the photovoltaic plate for a long time, so that the use of the photovoltaic plate is affected; the device is through placing the photovoltaic board on conveyer belt 21, make the rear end and the shelves contact of photovoltaic board, under the conveying of conveyer belt 21, the photovoltaic board can get into clean room 12 in, can clean the dust on photovoltaic board surface through the brush board, can wash the surface of photovoltaic board through the shower nozzle water spray, when the position of roller is absorbed in the photovoltaic board conveying, the photovoltaic board front end can contact the roller that absorbs water, the roller that absorbs water can be squeezed to the roller that absorbs water is contacted to the photovoltaic board, the roller that absorbs water receives the extrusion and can reciprocate, the roller that absorbs water moves up can extrude spring 63, spring 63 receives the extrusion and can contract and can give mounting panel and roller one pressure that absorbs water, the roller that absorbs water can be with pressure transfer to the photovoltaic board on, make the roller below can laminate with the surface of photovoltaic board, and in the in-process of conveyer belt 21 conveying the photovoltaic board, the roller that absorbs water can rotate, thereby can get rid of the water on photovoltaic board surface scale, can not form, can not influence the use of photovoltaic board.
Further, as shown in fig. 1, 4 and 5, the cleaning assembly includes a motor 52, and the motor 52 is fixedly connected to the upper surface of the cleaning chamber 12; the output end of the motor 52 is rotatably connected with a rotating shaft; the outer side of the rotating shaft is fixedly connected with a bevel gear I which is symmetrically arranged; the outer side of the bevel gear I is meshed with a bevel gear II; a screw rod 53 is fixedly connected below the bevel gear II, and the screw rod 53 penetrates through the upper part of the cleaning chamber 12; the outer side of the screw rod 53 is connected with a U-shaped sliding plate 54 in a sliding manner; a brush plate is fixedly connected below the U-shaped sliding plate 54; an L-shaped fixing plate which is symmetrically arranged is fixedly connected to the cleaning chamber 12 at a position corresponding to the lower part of the screw rod 53, and the lower part of the screw rod 53 is rotationally connected to the lower part of the L-shaped fixing plate.
During operation, through staff start motor 52, motor 52 drives the axis of rotation and rotates, and the axis of rotation drives bevel gear one and rotates, and bevel gear one rotates and drives bevel gear two and rotate, and bevel gear two rotates and drive lead screw 53 and rotate, and lead screw 53 rotates and drives U-shaped slide 54 and slide in the lead screw 53 outside, and U-shaped slide 54 slides and drive the brush board and go up and down to can adjust the height of brush board, when cleaning the photovoltaic board of different thickness, through adjusting the height of brush board, can change the dynamics that the brush board produced to the photovoltaic board surface, thereby can prevent that the brush board from causing the damage to the photovoltaic board.
Further, as shown in fig. 1 and 6, the water removal assembly includes a U-shaped connection plate 62, and the U-shaped connection plate 62 is fixedly connected above the interior of the cleaning chamber 12; the bottom of the U-shaped connecting plate 62 is fixedly connected with a plurality of springs 63 which are uniformly arranged; a mounting plate is fixedly connected below the spring 63; the inside rotation of mounting panel is connected with the water absorbing roller.
During operation, when the position of the suction roll is conveyed to the photovoltaic board, the front end of the photovoltaic board can be contacted with the suction roll, the suction roll can be extruded by the photovoltaic board, the suction roll can be upwards moved by extrusion, the spring 63 can be extruded by the suction roll upwards movement, the spring 63 can be contracted by extrusion and can give the mounting plate and the suction roll a pressure, the suction roll can transmit the pressure to the photovoltaic board, the surface of the photovoltaic board can be attached to the lower part of the suction roll, and the suction roll can rotate in the conveying process of the photovoltaic board by the conveyor belt 21, so that the water on the surface of the photovoltaic board can be removed.
Further, as shown in fig. 6, a plurality of uniformly arranged limiting rods 66 are fixedly connected above the mounting plate corresponding to the positions of the springs 63, and the limiting rods 66 are positioned in the springs 63; the U-shaped connecting plate 62 is provided with a plurality of uniformly arranged limiting grooves 67 at positions corresponding to the limiting rods 66, and the limiting rods 66 are slidably connected in the limiting grooves 67.
During operation, through the stop lever 66 fixedly connected on the mounting plate and the stop slot 67 formed in the U-shaped connecting plate 62, the stop lever 66 is slidably connected in the stop slot 67, so that the positions of the spring 63, the mounting plate and the water absorbing roller can be limited, and the deviation is prevented.
Further, as shown in fig. 1, a plurality of blocking rods are fixedly connected to the conveyor belt 21.
During operation, the baffle can block the photovoltaic panel when the photovoltaic panel is conveyed to the water absorbing roller through the stop lever fixedly connected on the conveyor belt 21, so that the pressure of the water absorbing roller is prevented from preventing the photovoltaic panel from being conveyed.
Further, as shown in fig. 1, 2 and 3, baffle plates which are symmetrically arranged are fixedly connected at the positions above the inside of the cleaning chamber and correspond to the two ends of the spray heads; a protection box is fixedly connected above the cleaning chamber corresponding to the motor 52, and the first bevel gear and the second bevel gear are positioned inside the protection box.
When the cleaning device works, the baffle fixedly connected in the cleaning chamber can block water when the spray head sprays water on the surface of the photovoltaic panel, so that the water is prevented from being sputtered to the hairbrush and the water absorbing roller; the motor 52, the first bevel gear and the second bevel gear can be protected by a protection box fixedly connected to the cleaning chamber.
Working principle:
in the prior art, in order to achieve a better cleaning effect, when the photovoltaic plate is cleaned, water is sprayed to the surface of the photovoltaic plate, the brush plate can play a role in cleaning, but the water on the surface of the photovoltaic plate cannot be removed, and scales can be formed on the surface of the photovoltaic plate after the water stays on the surface of the photovoltaic plate for a long time, so that the use of the photovoltaic plate is affected; the device is through placing the photovoltaic board on conveyer belt 21, make the rear end and the shelves contact of photovoltaic board, under the conveying of conveyer belt 21, the photovoltaic board can get into clean room 12 in, can clean the dust on photovoltaic board surface through the brush board, can wash the surface of photovoltaic board through the shower nozzle water spray, when the position of roller is absorbed in the photovoltaic board conveying, the photovoltaic board front end can contact the roller that absorbs water, the roller that absorbs water can be squeezed to the roller that absorbs water is contacted to the photovoltaic board, the roller that absorbs water receives the extrusion and can reciprocate, the roller that absorbs water moves up can extrude spring 63, spring 63 receives the extrusion and can contract and can give mounting panel and roller one pressure that absorbs water, the roller that absorbs water can be with pressure transfer to the photovoltaic board on, make the roller below can laminate with the surface of photovoltaic board, and in the in-process of conveyer belt 21 conveying the photovoltaic board, the roller that absorbs water can rotate, thereby can get rid of the water on photovoltaic board surface scale, can not form, can not influence the use of photovoltaic board.
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 without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. A photovoltaic panel cleaning device, characterized in that: comprises a frame (1), wherein a conveyor belt (11) is rotatably connected above the inside of the frame (1); the upper surface of the frame (1) is fixedly connected with a cleaning chamber (12); the middle part of the upper surface is fixedly connected with a water tank (4); a plurality of uniformly arranged water pipes (41) are arranged at the bottom of the water tank (4), and the water pipes (41) penetrate through the upper part of the cleaning chamber (12); a spray head (42) is fixedly connected below the water pipe (41); a cleaning component is arranged in the cleaning chamber (12) at a position corresponding to one side of the water tank (4), and is used for cleaning the photovoltaic panel; the cleaning chamber (12) is internally provided with a water removal component corresponding to the position of the other side of the water tank (4), and the water removal component comprises a spring (31) and a mounting plate (32), and the mounting plate (32) is fixedly connected below the spring (31).
2. A photovoltaic panel cleaning apparatus according to claim 1, characterized in that: the cleaning component comprises a motor (2), and the motor (2) is fixedly connected to the upper surface of the cleaning chamber (12); the output end of the motor (2) is rotatably connected with a rotating shaft (21); the outer side of the rotating shaft (21) is fixedly connected with a bevel gear I (22) which is symmetrically arranged; a bevel gear II (23) is meshed with the outer side of the bevel gear I (22); a screw rod (24) is fixedly connected below the bevel gear II (23), and the screw rod (24) penetrates through the upper part of the cleaning chamber (12); the outer side of the screw rod (24) is connected with a U-shaped sliding plate (25) in a sliding manner; a hairbrush plate (26) is fixedly connected below the U-shaped sliding plate (25); an L-shaped fixing plate (27) which is symmetrically arranged is fixedly connected to the cleaning chamber (12) at a position corresponding to the lower part of the screw rod (24), and the lower part of the screw rod (24) is rotationally connected to the lower part of the L-shaped fixing plate (27).
3. A photovoltaic panel cleaning apparatus according to claim 2, characterized in that: the water removal assembly comprises a U-shaped connecting plate (3), and the U-shaped connecting plate (3) is fixedly connected above the inside of the cleaning chamber (12); the bottom of the U-shaped connecting plate (3) is fixedly connected with a plurality of springs (31) which are uniformly arranged; a mounting plate (32) is fixedly connected below the spring (31); the inside of the mounting plate (32) is rotatably connected with a water absorbing roller (33).
4. A photovoltaic panel cleaning apparatus according to claim 3, characterized in that: a plurality of uniformly arranged limiting rods (34) are fixedly connected above the mounting plate (32) corresponding to the positions of the springs (31), and the limiting rods (34) are positioned in the springs (31); a plurality of uniformly arranged limiting grooves (35) are formed in the position, corresponding to the limiting rods (34), of the U-shaped connecting plate (3), and the limiting rods (34) are slidably connected in the limiting grooves (35).
5. A photovoltaic panel cleaning apparatus according to claim 4, wherein: a plurality of stop rods (6) which are uniformly arranged are fixedly connected on the conveyor belt (11).
6. A photovoltaic panel cleaning apparatus according to claim 5, wherein: baffle plates (5) which are symmetrically arranged are fixedly connected at the positions above the inside of the cleaning chamber (12) corresponding to the two ends of the spray head (42); a protection box (28) is fixedly connected above the cleaning chamber (12) corresponding to the motor (2), and the bevel gear I (22) and the bevel gear II (23) are positioned inside the protection box (28).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322139856.4U CN220716878U (en) | 2023-08-10 | 2023-08-10 | Photovoltaic board cleaning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322139856.4U CN220716878U (en) | 2023-08-10 | 2023-08-10 | Photovoltaic board cleaning device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220716878U true CN220716878U (en) | 2024-04-05 |
Family
ID=90524754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322139856.4U Active CN220716878U (en) | 2023-08-10 | 2023-08-10 | Photovoltaic board cleaning device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220716878U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118323796A (en) * | 2024-05-29 | 2024-07-12 | 江苏汇荣达生物工程有限公司 | Aseptic conveyer belt is used in food processing |
-
2023
- 2023-08-10 CN CN202322139856.4U patent/CN220716878U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118323796A (en) * | 2024-05-29 | 2024-07-12 | 江苏汇荣达生物工程有限公司 | Aseptic conveyer belt is used in food processing |
CN118323796B (en) * | 2024-05-29 | 2024-10-18 | 江苏汇荣达生物工程有限公司 | Aseptic conveyer belt is used in food processing |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN220716878U (en) | Photovoltaic board cleaning device | |
CN116750495B (en) | Super white knurling coating film toughened glass conveyer with clean function | |
CN117160754B (en) | Rust-proof oil coating equipment | |
CN117526830B (en) | Protection device for photovoltaic solar panel | |
CN216026552U (en) | Printing table cleaning device of printing equipment | |
CN220711432U (en) | Solar photovoltaic power generation dust pelletizing system | |
CN117399210A (en) | Solar photovoltaic panel cleans spraying device | |
CN108988771A (en) | A kind of solar panel cleaning equipment | |
CN217222611U (en) | Solar panel cleaning device for photovoltaic power generation | |
CN216359246U (en) | Be used for lens processing belt cleaning device | |
CN212725254U (en) | Solar cell panel flattening, cleaning and processing equipment | |
CN215531467U (en) | Rotary cleaning device for ginger processing | |
CN213223460U (en) | Cleaning equipment for glass substrate | |
CN111000265A (en) | Belt cleaning device is used in pears deep-processing | |
CN209105950U (en) | The cleaning device of egg | |
CN221886421U (en) | Clean formula photovoltaic board support | |
CN220836967U (en) | Energy-saving type hardware part decontamination cleaning machine | |
CN211194721U (en) | Discharge gate cleaning device of injection molding machine | |
CN221157760U (en) | Mold processing belt cleaning device | |
CN220077651U (en) | Cosmetic production conveyer | |
CN219420708U (en) | Photovoltaic power generation panel cleaning device | |
CN213079282U (en) | Green house belt cleaning device | |
CN220190805U (en) | Solar photovoltaic panel surface cleaning system | |
CN221151303U (en) | Cleaning device for photovoltaic power generation panel | |
CN221434191U (en) | AG glass automatic cleaning equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |