CN112170418A - Photovoltaic board dust collecting equipment - Google Patents
Photovoltaic board dust collecting equipment Download PDFInfo
- Publication number
- CN112170418A CN112170418A CN201910600893.6A CN201910600893A CN112170418A CN 112170418 A CN112170418 A CN 112170418A CN 201910600893 A CN201910600893 A CN 201910600893A CN 112170418 A CN112170418 A CN 112170418A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic panel
- lifting mechanism
- protective layer
- pipe
- photovoltaic
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 19
- 239000011241 protective layer Substances 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 239000007921 spray Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 230000003028 elevating effect Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
A photovoltaic panel dust removal device relates to the technical field of photovoltaic; the photovoltaic panel installation structure comprises a lifting mechanism, a protective layer, a photovoltaic panel, an installation assembly, a connecting rod and a spray pipe; the photovoltaic panel is fixed above the mounting assembly, the spray pipe is arranged inside the mounting assembly, the water outlet of the spray pipe is opposite to the upper part of the surface of the photovoltaic panel, and the lifting mechanism is provided with a handle, a guide port, a guide wheel and an auxiliary wheel; the handle is rotated manually for adjustment, so that the surface of the photovoltaic panel is covered by the protective layer, the photovoltaic panel can be cleaned while being covered, the service life of the photovoltaic panel is prolonged, and the labor intensity of workers is greatly reduced.
Description
Technical Field
The invention relates to the technical field of photovoltaics, in particular to a photovoltaic panel dust removal device.
Background
Under the condition of illumination (whether sunlight or illumination generated by other illuminants), the battery absorbs light energy, and the accumulation of charges with different signs appears at two ends of the battery, namely, a 'photovoltage' is generated, namely, a 'photovoltaic effect'. Under the action of the photovoltaic effect, electromotive force is generated at two ends of the solar cell to convert light energy into electric energy, and the solar cell is an energy conversion device. The solar cell is generally a silicon cell, and is divided into a single crystalline silicon solar cell, a polycrystalline silicon solar cell and an amorphous silicon solar cell. When the photovoltaic panel is exposed to the outside in rainy or severe weather, the photovoltaic panel is eroded by dust and flying sand, and the service life of the photovoltaic panel is influenced.
At present, the cleaning and maintenance of the photovoltaic panel adopts a manual brush to clean, or a manual water gun to wash, or a large-scale vehicle stretches out a mechanical arm to lift a large-scale roller brush and simultaneously brush and wash with water, so that the labor intensity of workers is increased.
Disclosure of Invention
The invention aims to provide a photovoltaic panel dust removal device aiming at the defects and shortcomings of the prior art, the photovoltaic panel dust removal device is adjusted by manually rotating a handle, so that the surface of a photovoltaic panel is covered by a protective layer, the photovoltaic panel can be cleaned while being covered, the service life of the photovoltaic panel is prolonged, and the labor intensity of workers is greatly reduced.
In order to achieve the purpose, the invention adopts the following technical scheme: the photovoltaic panel installation structure comprises a lifting mechanism 1, a protective layer 2, a photovoltaic panel 3, an installation component 4, a connecting rod 5 and a spray pipe 6; the lifting mechanism 1 is arranged above the photovoltaic panel 3, the protective layer 2 is wound inside the lifting mechanism 1 and covers the surface of the photovoltaic panel 3, the lifting mechanisms 1 are arranged in a plurality of groups, each group is connected through a connecting rod 5, the photovoltaic panel 3 is fixed above the mounting component 4, the spray pipe 6 is arranged inside the mounting component 4, the water outlet of the spray pipe is opposite to the upper part of the surface of the photovoltaic panel 3, and the lifting mechanism 1 is provided with a handle 11, a guide port 12, a guide wheel 13 and an auxiliary wheel 14; the handle 11 is installed on the right side of the lifting mechanism 1, the guide opening 12 is located below the lifting mechanism 1, the guide wheel 13 and the auxiliary wheel 14 are both installed inside the lifting mechanism 1, one end of the protective layer 2 is wound on the surface of the guide wheel 13, and the other end of the protective layer passes through the auxiliary wheel 14 and extends to the guide opening 12.
The lifting mechanism 1 is fixedly connected with the mounting component 4.
The protective layer 2 is a dustproof net, and the bottom of the protective layer is provided with a dust removing windshield wiper.
The two sides of the photovoltaic panel 3 are provided with guide rails, and the protective layer 2 moves inside the guide rails.
The connecting rod 5 comprises a fixing rod 51, a threaded rod 52, a connecting pipe 53, a positioning pile 54 and a positioning hole 55; threaded rods 52 are fixedly arranged on one sides of the fixing rod 51 and the connecting pipe 53, positioning holes 55 are formed in the surface of the fixing rod 51, and positioning piles 54 with the same number as the positioning holes 55 are arranged on the surface of the connecting pipe 53.
The spray pipe 6 is provided with a spray head 61, a water pipe 62 and a multi-way head 63; the connecting hole of the multi-way head 63 is connected with a water pipe 62, two sides of the top water outlet pipe are provided with spray heads 61, and the water outlet positions of the spray heads 61 are opposite to the surface of the photovoltaic panel 3.
The working principle of the invention is as follows: with 1 fixed mounting of elevating system in the top of photovoltaic board 3, protective layer 2 activity is in elevating system 1's inside, and protective layer 2 slides in the surface of photovoltaic board 3, the bottom of protective layer 2 is provided with the windshield wiper, drive elevating system 1 through manual rotatory handle 11, realize protective layer 2 at the surface cleaning of photovoltaic board 3, the one end switch-on water source department of shower 6, the other end distributes in the inside of installation component 4, and with the delivery port for the surface of photovoltaic board 3, open the control valve this moment, realize spraying, when external light energy is dark, put down protective layer 2, the damage of external factor to photovoltaic board 3 has been obstructed, the life of photovoltaic board has not only been prolonged, still greatly reduced the artifical intensity of labour who cleans photovoltaic board 3.
After the technical scheme is adopted, the invention has the beneficial effects that: the handle is rotated manually for adjustment, so that the surface of the photovoltaic panel is covered by the protective layer, the photovoltaic panel can be cleaned while being covered, the service life of the photovoltaic panel is prolonged, and the labor intensity of workers is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the lifting mechanism 1 of the present invention;
FIG. 3 is a schematic view of the structure of the connecting rod 5 of the present invention;
FIG. 4 is a schematic view of the structure of the shower pipe 6 according to the present invention;
fig. 5 is a schematic view of the internal structure of the lifting mechanism 1 of the present invention;
fig. 6 is a schematic view of the connection of the protective layer 2 to the photovoltaic panel 3 according to the invention.
Description of reference numerals: the device comprises a lifting mechanism 1, a protective layer 2, a photovoltaic panel 3, a mounting assembly 4, a connecting rod 5, a spray pipe 6, a handle 11, a guide port 12, a guide wheel 13, an auxiliary wheel 14, a fixing rod 51, a threaded rod 52, a connecting pipe 53, a positioning pile 54, a positioning hole 55, a spray head 61, a water pipe 62 and a multi-way head 63.
Detailed Description
Referring to fig. 1 to 6, the technical solution adopted by the present embodiment is: the photovoltaic panel installation structure comprises a lifting mechanism 1, a protective layer 2, a photovoltaic panel 3, an installation component 4, a connecting rod 5 and a spray pipe 6; the lifting mechanism 1 is arranged above the photovoltaic panel 3, the protective layer 2 is wound inside the lifting mechanism 1 and covers the surface of the photovoltaic panel 3, the lifting mechanisms 1 are arranged in a plurality of groups, each group is connected through a connecting rod 5, the photovoltaic panel 3 is fixed above the mounting component 4, the spray pipe 6 is arranged inside the mounting component 4, the water outlet of the spray pipe is opposite to the upper part of the surface of the photovoltaic panel 3, and the lifting mechanism 1 is provided with a handle 11, a guide port 12, a guide wheel 13 and an auxiliary wheel 14; the handle 11 is arranged at the right side of the lifting mechanism 1, the guide port 12 is positioned below the lifting mechanism 1, the guide wheel 13 and the auxiliary wheel 14 are both arranged inside the lifting mechanism 1, one end of the protective layer 2 is wound on the surface of the guide wheel 13, and the other end of the protective layer passes through the auxiliary wheel 14 and extends to the guide port 12; the lifting mechanism 1 is driven by manually rotating the handle 11, so that the surface of the protective layer 2 on the photovoltaic panel 3 is cleaned, one end of the spray pipe 6 is communicated with a water source, the other end of the spray pipe is distributed in the installation component 4, a water outlet is opposite to the surface of the photovoltaic panel 3, and at the moment, the control valve is opened to realize spraying; the lifting mechanism 1 is fixedly connected with the mounting component 4. The top of the photovoltaic panel 3 is embedded in the lifting mechanism 1, and the lifting mechanism 1 is connected with the mounting component 4 through a fixed support; the protective layer 2 is a dustproof net, and the bottom of the protective layer is provided with a dust removing windshield wiper. The dust wiper cleans dust and sundries on the surface of the photovoltaic panel 3, and can be matched with the spray pipe 6 for cleaning simultaneously; guide rails are arranged on two sides of the photovoltaic panel 3, and two sides of the protective layer 2 move in the guide rails; the connecting rod 5 comprises a fixing rod 51, a threaded rod 52, a connecting pipe 53, a positioning pile 54 and a positioning hole 55; threaded rods 52 are fixedly arranged on one sides of the fixing rod 51 and the connecting pipe 53, positioning holes 55 are formed in the surface of the fixing rod 51, and positioning piles 54 with the same number as the positioning holes 55 are arranged on the surface of the connecting pipe 53; the spray pipe 6 is provided with a spray head 61, a water pipe 62 and a multi-way head 63; the connecting hole of the multi-way head 63 is connected with a water pipe 62, two sides of the top water outlet pipe are provided with spray heads 61, and the water outlet positions of the spray heads 61 are opposite to the surface of the photovoltaic panel 3. When the external light energy is dark, the protective layer 2 is put down to block the damage of the external factors to the photovoltaic panel 3, so that the service life of the photovoltaic panel is prolonged, and the labor intensity of manually cleaning the photovoltaic panel 3 is greatly reduced.
The working principle of the invention is as follows: with 1 fixed mounting of elevating system in the top of photovoltaic board 3, protective layer 2 activity is in elevating system 1's inside, and protective layer 2 slides in the surface of photovoltaic board 3, the bottom of protective layer 2 is provided with the windshield wiper, drive elevating system 1 through manual rotatory handle 11, realize protective layer 2 at the surface cleaning of photovoltaic board 3, the one end switch-on water source department of shower 6, the other end distributes in the inside of installation component 4, and with the delivery port for the surface of photovoltaic board 3, open the control valve this moment, realize spraying, when external light energy is dark, put down protective layer 2, the damage of external factor to photovoltaic board 3 has been obstructed, the life of photovoltaic board has not only been prolonged, still greatly reduced the artifical intensity of labour who cleans photovoltaic board 3.
After the technical scheme is adopted, the invention has the beneficial effects that: the handle is rotated manually for adjustment, so that the surface of the photovoltaic panel is covered by the protective layer, the photovoltaic panel can be cleaned while being covered, the service life of the photovoltaic panel is prolonged, and the labor intensity of workers is greatly reduced.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a photovoltaic board dust collecting equipment which characterized in that: the photovoltaic panel installation structure comprises a lifting mechanism (1), a protective layer (2), a photovoltaic panel (3), an installation assembly (4), a connecting rod (5) and a spray pipe (6); the photovoltaic panel lifting mechanism is characterized in that the lifting mechanism (1) is arranged above the photovoltaic panel (3), the protective layer (2) is wound inside the lifting mechanism (1) and covers the surface of the photovoltaic panel (3), the lifting mechanisms (1) are arranged in a plurality of groups, each group is connected through a connecting rod (5), the photovoltaic panel (3) is fixed above the mounting component (4), the spray pipe (6) is arranged inside the mounting component (4), the water outlet of the spray pipe is opposite to the upper part of the surface of the photovoltaic panel (3), and the lifting mechanism (1) is provided with a handle (11), a guide port (12), a guide wheel (13) and an auxiliary wheel (14); the handle (11) is installed on the right side of the lifting mechanism (1), the guide opening (12) is located below the lifting mechanism (1), the guide wheel (13) and the auxiliary wheel (14) are installed inside the lifting mechanism (1), one end of the protective layer (2) is wound on the surface of the guide wheel (13), and the other end of the protective layer passes through the auxiliary wheel (14) and extends to the guide opening (12).
2. The photovoltaic panel dust removal device according to claim 1, wherein: the lifting mechanism (1) is fixedly connected with the mounting component (4).
3. The photovoltaic panel dust removal device according to claim 1, wherein: the protective layer (2) is a dust screen, and the bottom of the protective layer is provided with a dust removing windshield wiper.
4. The photovoltaic panel dust removal device according to claim 1, wherein: the photovoltaic panel (3) is provided with guide rails on two sides, and the protective layer (2) moves inside the guide rails.
5. The photovoltaic panel dust removal device according to claim 1, wherein: the connecting rod (5) comprises a fixing rod (51), a threaded rod (52), a connecting pipe (53), a positioning pile (54) and a positioning hole (55); threaded rods (52) are fixedly arranged on one sides of the fixing rod (51) and the connecting pipe (53), positioning holes (55) are formed in the surface of the fixing rod (51), and positioning piles (54) with the same number as the positioning holes (55) are arranged on the surface of the connecting pipe (53).
6. The photovoltaic panel dust removal device according to claim 1, wherein: the spray pipe (6) is provided with a spray head (61), a water pipe (62) and a multi-way head (63); the connecting hole of the multi-way head (63) is connected with a water pipe (62), two sides of the top water outlet pipe are provided with spray heads (61), and the water outlet positions of the spray heads (61) are opposite to the surface of the photovoltaic panel (3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910600893.6A CN112170418A (en) | 2019-07-05 | 2019-07-05 | Photovoltaic board dust collecting equipment |
| PCT/CN2019/113525 WO2021003893A1 (en) | 2019-07-05 | 2019-10-28 | Dust removal apparatus for photovoltaic panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910600893.6A CN112170418A (en) | 2019-07-05 | 2019-07-05 | Photovoltaic board dust collecting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112170418A true CN112170418A (en) | 2021-01-05 |
Family
ID=73915440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910600893.6A Pending CN112170418A (en) | 2019-07-05 | 2019-07-05 | Photovoltaic board dust collecting equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112170418A (en) |
| WO (1) | WO2021003893A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192418A (en) * | 2021-03-18 | 2021-07-30 | 人民信产科技(天津)有限公司 | Based on integrated propagation device of one source multiple-end information |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204470163U (en) * | 2015-03-11 | 2015-07-15 | 广东梅雁吉祥水电股份有限公司 | A kind of solar panel automatic flushing device |
| CN208158533U (en) * | 2018-04-28 | 2018-11-27 | 甘肃上航电力运维有限公司 | A kind of dust guard of distributed power station photovoltaic power generation plate |
| CN109622435A (en) * | 2018-12-16 | 2019-04-16 | 彭伶铭 | A kind of solar panel electric power network dust-extraction unit |
| KR101996721B1 (en) * | 2017-07-05 | 2019-07-04 | 신성우 | Solar Tracking Device With Cleaning Means |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007006491U1 (en) * | 2007-02-09 | 2007-08-02 | Schneeweis, Herbert | Washing system for cleaning non-horizontal surfaces of e.g. solar cells, has spray tube with nozzles for spraying washing liquid towards surface of solar cells, in which spray tube can be displaced along surfaces of solar cells |
| CN102054885B (en) * | 2009-10-28 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Solar cell panel cleaning system |
| CN202516827U (en) * | 2012-01-06 | 2012-11-07 | 河北科技大学 | Automatic cleaning device of solar battery panel |
| ES2401212B1 (en) * | 2012-04-18 | 2014-02-18 | Jonay GONZÁLEZ RUANO | Curtain protector with cooling for solar panels |
| CN204258712U (en) * | 2014-11-28 | 2015-04-08 | 沈阳工程学院 | A kind of intelligent protection of solar panel and dust cleaning apparatus |
| CN205496107U (en) * | 2016-04-07 | 2016-08-24 | 河海大学常州校区 | Dustproof and dust collector of light -operated solar cell panel |
-
2019
- 2019-07-05 CN CN201910600893.6A patent/CN112170418A/en active Pending
- 2019-10-28 WO PCT/CN2019/113525 patent/WO2021003893A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204470163U (en) * | 2015-03-11 | 2015-07-15 | 广东梅雁吉祥水电股份有限公司 | A kind of solar panel automatic flushing device |
| KR101996721B1 (en) * | 2017-07-05 | 2019-07-04 | 신성우 | Solar Tracking Device With Cleaning Means |
| CN208158533U (en) * | 2018-04-28 | 2018-11-27 | 甘肃上航电力运维有限公司 | A kind of dust guard of distributed power station photovoltaic power generation plate |
| CN109622435A (en) * | 2018-12-16 | 2019-04-16 | 彭伶铭 | A kind of solar panel electric power network dust-extraction unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021003893A1 (en) | 2021-01-14 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210105 |