CN111893724A - Non-woven fabric cleaner - Google Patents
Non-woven fabric cleaner Download PDFInfo
- Publication number
- CN111893724A CN111893724A CN202010601249.3A CN202010601249A CN111893724A CN 111893724 A CN111893724 A CN 111893724A CN 202010601249 A CN202010601249 A CN 202010601249A CN 111893724 A CN111893724 A CN 111893724A
- Authority
- CN
- China
- Prior art keywords
- pipe
- gun
- block
- wheel
- connecting pipe
- 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.)
- Withdrawn
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
- D06G1/00—Beating, brushing, or otherwise mechanically cleaning or pressure cleaning carpets, rugs, sacks, hides, or other skin or textile articles or fabrics
Abstract
The invention discloses a non-woven fabric cleaner, which structurally comprises a cleaning box, a base, a supporting frame, a control panel, a connecting pipe, a cleaning spray gun, a moving wheel and a power line, wherein the cleaning spray gun is connected to the front end of the connecting pipe through a bolt, the cleaning spray gun mainly comprises a connecting pipe, an access block, a gun body, a handle, a press switch and a gun head, the handle and the gun body are in an integrated structure, and the gun head is connected to the front end of the gun body through the bolt. And the flowing speed of the dry ice air column can be accelerated.
Description
Technical Field
The invention relates to the field of non-woven fabric equipment, in particular to a non-woven fabric cleaner.
Background
The non-woven fabric is also called non-woven fabric, and is formed by oriented or random fibers, the non-woven fabric is called as the non-woven fabric due to the appearance and certain performances of the fabric, when the non-woven fabric is stained with impurities, the non-woven fabric needs to be cleaned, the non-woven fabric is fragile, cannot be cleaned in a water washing mode, and only can be cleaned in a dry ice cleaning mode, while the existing dry ice cleaning mode is used for cleaning, the gas cleaning scouring capacity is weaker, the cleaning capacity needs to be increased, the pressure needs to be increased, the bearing load of a cleaning box and a connecting pipe is increased by increasing the pressure, the equipment is easily damaged, and the cleaning effect is insufficient.
Disclosure of Invention
The invention provides a non-woven fabric cleaner, aiming at the problems that when the existing dry ice cleaning mode is used for cleaning, the gas cleaning scouring capacity is weak, the cleaning capacity needs to be increased, the pressure needs to be increased, the load on a cleaning box and a connecting pipe is increased by increasing the pressure, and the equipment is easily damaged.
In order to achieve the purpose, the invention is realized by the following technical scheme: a non-woven fabric cleaner structurally comprises a cleaning box, a base, a supporting frame, a control panel, a connecting pipe, a cleaning spray gun, a moving wheel and a power line, the cleaning box is nested and connected inside the supporting frame, the cleaning box is embedded and connected above the base, the connecting pipe is riveted and connected at the front end of the base, the power line is electrically connected in front of the cleaning box, the movable wheels are movably clamped at two sides of the rear part of the base, the control panel is fixedly embedded at the front upper end of the cleaning box, the cleaning spray gun is connected at the front end of the connecting pipe by a bolt, the cleaning spray gun mainly comprises a connecting pipe, an access block, a gun body, a handle, a push switch and a gun head, the joining pipe is fixedly connected behind the gun body in a matching way with the access block, the grip and the gun body are in an integrated structure, the press switch is arranged above the front of the grip in a clearance fit mode, and the gun head is connected to the front end of the gun body through a bolt.
As a further improvement of the invention, the gun body mainly comprises a machine body, a transmission channel, a regulator, a release block, a hollow tube and a connector, wherein the regulator is movably clamped in the machine body, the release block is connected to the front end of the regulator in an embedded manner, the hollow tube is fixedly connected to the front part of the interior of the machine body in an embedded manner, the connector is welded to the front end of the machine body, the transmission channel is arranged in the machine body, the release block is of an inverted circular truncated cone structure and is in a clamping telescopic state, and the smaller end of the release block is communicated with the regulator.
As a further improvement of the invention, the regulator mainly comprises an outer wheel, a tooth wheel, an inner wheel, clamping grooves and through holes, wherein the outer wheel is movably clamped with the inner wheel through the tooth wheel, the surface layer of the inner wheel is provided with the clamping grooves, the center of the inner wheel is provided with the through holes in a penetrating manner, the clamping grooves are provided with three channels, and are mutually clamped with the release block at the front end, and the outer wheel is rotated to be matched with the tooth wheel to drive the inner wheel to rotate.
As a further improvement of the invention, the gun head mainly comprises a fixing plate, a transmission pipe, a pipe body, a connecting piece and a dispersing device, wherein the fixing plate is connected behind the transmission pipe in a riveting mode, the transmission pipe is connected to the rear end of the pipe body in an embedding mode, the dispersing device is connected with the pipe body through the connecting piece, and the gun head is in a flat state and has the effect of compressing dry ice gas.
As a further improvement of the invention, the dispersing device mainly comprises a joint pipe, a communicating channel, a rotary paddle, a combining block, a dispersing pipe, a connecting block and a disperser, wherein the communicating channel is arranged in the joint pipe, the rotary paddle is movably clamped at the front end of the communicating channel, the combining block is fixedly embedded below the rotary paddle, the communicating channel is communicated with the dispersing pipe through the rotary paddle, the disperser is fixedly embedded below the combining block through the connecting block, the rotary paddle is arranged in the joint pipe and embedded with eight blades, and when dry ice gas passes through the rotary paddle along the communicating channel, the rotary paddle can be blown by the dry ice gas to rotate.
As a further improvement of the invention, the disperser mainly comprises a box body, a combination plate, baffle sheets and fixing sheets, wherein the fixing sheets are fixedly embedded on the side of the box body, the baffle sheets are connected below the box body through bolts, the combination plate is attached to the middle sections of the baffle sheets, a plurality of baffle sheets are arranged below the box body, a communicating channel penetrates through the baffle sheets, and the communicating channel is communicated with a dispersing pipe of an upper combination pipe.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the dry ice gas is pushed forwards by pressing the press switch at the front end of the cleaning spray gun to form gas columns for spraying outwards, the release block in the gun body is in an inverted round platform structure and is in a clamping telescopic state and communicated with the regulator, and the outer wheel is rotated to be matched with the grinding teeth to drive the inner wheel to rotate, so that the opening and closing size of the release block is enlarged, the circulation speed of the dry ice gas is further accelerated, and the cleaning capability is improved.
2. When the air column formed by the dry ice gas is sprayed outwards, the air column and the rotary paddle are mutually assisted to push, and the baffle plate below the box body can disperse the dry ice air column in multiple sections, so that the dry ice air column can be uniformly scattered along the dispersing pipe below the combining block, the flowing speed of the dry ice air column can be increased, and the cleaning efficiency of the dry ice air column is more remarkable.
Drawings
FIG. 1 is a schematic structural diagram of a nonwoven fabric cleaner according to the present invention.
FIG. 2 is a schematic view of the cleaning spray gun of the present invention.
Fig. 3 is a front half-sectional structural schematic view of the gun body of the present invention.
Fig. 4 is a schematic structural diagram of the regulator of the present invention.
Fig. 5 is a schematic structural view of the gun head of the invention in a front view.
FIG. 6 is a partial front view and a half sectional view of the dispersing device of the present invention.
FIG. 7 is a schematic view of a disperser according to the present invention.
In the figure: cleaning box-1, base-2, support frame-3, control panel-4, connecting pipe-5, cleaning spray gun-6, moving wheel-7, power cord-8, joining pipe-61, joining block-62, gun body-63, grip-64, press switch-65, gun head-66, machine body-631, transmission channel-632, regulator-633, release block-634, hollow pipe-635, connecting head-636, outer wheel-6331, rodent-6332, inner wheel-6333, clamping groove-6334, through hole-6335, fixing plate-a 1, transmission pipe-a 2, pipe body-a 3, joining sheet-a 4, dispersing device-a 5, joint pipe-a 51, communication channel-a 52, rotary paddle-a 53, combination block-a 54, Dispersing pipe-a 55, connecting block-a 56, disperser-a 57, box-a 571, combining plate-a 572, baffle-a 573 and fixing plate-a 574.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1
As shown in fig. 1-4:
the invention provides a non-woven fabric cleaner, which structurally comprises a cleaning box 1, a base 2, a support frame 3, a control panel 4, a connecting pipe 5, a cleaning spray gun 6, a moving wheel 7 and a power wire 8, wherein the cleaning box 1 is connected inside the support frame 3 in a nested manner, the cleaning box 1 is connected above the base 2 in a embedded manner, the connecting pipe 5 is connected to the front end of the base 2 in a riveting manner, the power wire 8 is electrically connected to the front of the cleaning box 1, the moving wheel 7 is movably clamped at two sides of the rear of the base 2, the control panel 4 is connected to the front upper end of the cleaning box 1 in an embedded manner, the cleaning spray gun 6 is connected to the front end of the connecting pipe 5 in a bolt manner, the cleaning spray gun 6 mainly comprises an engaging pipe 61, an engaging block 62, a gun body 63, a handle 64, a press switch 65 and a gun head 66, the engaging pipe 61 is connected to the rear, the push switch 65 is arranged at the front upper part of the handle 64 in a clearance fit mode, and the gun head 66 is connected to the front end of the gun body 63 through a bolt.
Wherein, body of a gun 63 mainly includes organism 631, transmission way 632, modulator 633, release piece 634, hollow tube 635, connector 636, inside modulator 633 activity block was 631, release piece 634 nested connection is at modulator 633 front end, hollow tube 635 inlays the solid connection and leans on the place ahead department inside organism 631, connector 636 welds in organism 631 front end, the inside transmission way 632 that is equipped with of organism 631, release piece 634 is the radius platform structure, and is the flexible state that can the block, and its less one end is linked together with modulator 633, when wasing, can distribute out dry ice gas by a wide margin for clean speed.
The regulator 633 mainly comprises an outer wheel 6331, a tooth 6332, an inner wheel 6333, a clamping groove 6334 and a through hole 6335, the outer wheel 6331 is movably clamped with the inner wheel 6333 through the tooth 6332, the clamping groove 6334 is arranged on the surface layer of the inner wheel 6333, the through hole 6335 penetrates through the center position of the inner wheel 6333, the clamping grooves 6334 are provided with three channels in total and are clamped with the release block 634 at the front end, and the outer wheel 6331 is rotated to be matched with the tooth 6332 to drive the inner wheel 6333 to rotate, so that the opening and closing size of the release block 634 is enlarged, the dry ice gas flowing speed is further increased, and the cleaning capacity is improved.
The specific use mode and function of the embodiment are as follows:
in the invention, the dry ice gas in the cleaning box 1 is upwards extracted by the reverse air pressure capacity and is transmitted into the upper cleaning spray gun 6 along the connecting pipe 5, the dry ice gas is firstly stored in the gun body 63, the dry ice gas is forwards pushed by pressing the press switch 65 at the front end of the cleaning spray gun 6 to form the outward spraying of the gas column, the release block 634 in the gun body 63 is in an inverted circular truncated cone structure and is in a clamping telescopic state, the smaller end of the release block is communicated with the inner wheel 6333 of the regulator 633, and the outer wheel 6331 is rotated to enable the outer wheel 6331 to be matched with the grinding teeth 6332 to drive the inner wheel 6333 to rotate, so that the opening and closing size of the release block 634 is enlarged, the dry ice gas circulation speed is further accelerated, and the cleaning capacity is improved.
Example 2
As shown in fig. 5-7:
the invention provides a non-woven fabric cleaner, wherein a gun head 66 mainly comprises a fixing plate a1, a transmission pipe a2, a pipe body a3, a connecting piece a4 and a dispersing device a5, the fixing plate a1 is connected behind the transmission pipe a2 in a riveting mode, the transmission pipe a2 is connected to the rear end of the pipe body a3 in a embedding mode, the dispersing device a5 is connected with the pipe body a3 through the connecting piece a4, the gun head 66 is in a flat state and has the effect of compressing dry ice gas, and when dry ice gas is sprayed, the dry ice gas is enabled to be accelerated in releasing speed due to the fact that the size of an outlet of the dry ice gas is reduced through reducing the flow aperture of the dry ice gas.
The dispersing device a5 mainly comprises a joint pipe a51, a communication channel a52, a rotor a53, a combination block a54, a dispersing pipe a55, a connection block a56 and a disperser a57, wherein the joint pipe a51 is internally provided with a communication channel a52, the rotor a53 is movably clamped at the front end of the communication channel a52, the combination block a54 is fixedly connected below the rotor a53, the communication channel a52 is communicated with the dispersing pipe a55 through the rotor a53, the rotor a57 is fixedly connected below the combination block a54 through the connection block a56, the joint pipe a51 is internally provided with the rotor a53, the rotor a53 is fixedly provided with eight blades, when dry ice gas passes through the rotor a53 along the communication channel a52, the rotor a53 is blown by the dry ice gas to rotate, and the rotor a53 pushes the blades to assist the dry ice gas to flow, so that the dry ice gas injection speed is increased.
The disperser a57 mainly comprises a box body a571, a combination plate a572, baffle pieces a573 and a fixing piece a574, wherein the fixing piece a574 is embedded and connected on the side of the box body a571, the baffle pieces a573 are connected below the box body a571 in a bolt mode, the combination plate a572 is attached to the middle section of the baffle pieces a573, a plurality of baffle pieces a573 are arranged below the box body a571, a communication channel penetrates through the baffle pieces a573 and is communicated with a dispersion pipe a55 of an upper combination pipe a51, and during the spraying operation of the dry ice gas, the baffle pieces a573 can disperse the dry ice gas in multiple stages, so that the cleaning operation of the dry ice gas is more uniform.
The specific use mode and function of the embodiment are as follows:
when the air column formed by the dry ice gas is sprayed outwards, the air column passes through the rotating paddle a53 along the communication channel a52, the rotating paddle a53 is blown by the dry ice gas column to rotate, the rotating paddle a53 assists in pushing the dry ice gas column through the rotation of the paddle during rotation, a plurality of baffle plates a573 are arranged below the box body a571, the communication channel penetrates through the baffle plates a573 and is communicated with the dispersion pipe a55 of the upper combination pipe a51, and during the spraying work of the dry ice gas column, the baffle plates a573 can disperse the dry ice gas column in multiple sections, so that the dry ice gas column is uniformly dispersed along the dispersion pipe a55 below the combination block a54, the flow speed of the dry ice gas column can be increased, and the cleaning work efficiency of the dry ice gas column is more remarkable.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (6)
1. The utility model provides a non-woven fabrics purger, its structure is including wasing case (1), base (2), support frame (3), control panel (4), connecting pipe (5), washing spray gun (6), removal wheel (7), power cord (8), wash case (1) nested connection inside support frame (3), wash case (1) built-in connection in base (2) top, connecting pipe (5) riveting is connected in base (2) front end, power cord (8) electricity is being connected in washing case (1) the place ahead, remove wheel (7) activity block in base (2) rear both sides, control panel (4) built-in connection is in washing case (1) preceding upper end, its characterized in that: the cleaning spray gun (6) is connected to the front end of the connecting pipe (5) through a bolt;
the cleaning spray gun (6) mainly comprises a connecting pipe (61), an access block (62), a gun body (63), a handle (64), a press switch (65) and a gun head (66), wherein the connecting pipe (61) is matched with the access block (62) and fixedly connected behind the gun body (63), the handle (64) and the gun body (63) are of an integrated structure, the press switch (65) is installed above the front of the handle (64) in a clearance fit mode, and the gun head (66) is connected to the front end of the gun body (63) through bolts.
2. The nonwoven fabric cleaner according to claim 1, wherein: gun body (63) mainly includes organism (631), transmission way (632), modulator (633), release piece (634), hollow tube (635), connector (636), modulator (633) activity block is inside organism (631), release piece (634) nested connection is at modulator (633) front end, hollow tube (635) are inlayed and are fixed and connect and lean on the place ahead in organism (631) inside, connector (636) weld in organism (631) front end, organism (631) inside is equipped with transmission way (632).
3. The nonwoven fabric cleaner according to claim 2, wherein: the modulator (633) mainly includes outer wheel (6331), rodent (6332), interior wheel (6333), draw-in groove (6334), through-hole (6335), outer wheel (6331) through rodent (6332) with interior wheel (6333) activity block, interior wheel (6333) top layer is equipped with draw-in groove (6334), interior wheel (6333) central point puts and has run through-hole (6335).
4. The nonwoven fabric cleaner according to claim 1, wherein: the lance head (66) mainly comprises a fixing plate (a 1), a conveying pipe (a 2), a tube body (a 3), a connecting piece (a 4) and a dispersing device (a 5), wherein the fixing plate (a 1) is connected behind the conveying pipe (a 2) in a riveting mode, the conveying pipe (a 2) is fixedly connected to the rear end of the tube body (a 3) in an embedding mode, and the dispersing device (a 5) is connected with the tube body (a 3) through the connecting piece (a 4).
5. The nonwoven fabric cleaner according to claim 4, wherein: the dispersing device (a 5) mainly comprises a combined pipe (a 51), a communication channel (a 52), a rotary paddle (a 53), a combination block (a 54), a dispersing pipe (a 55), a connecting block (a 56) and a disperser (a 57), wherein the communication channel (a 52) is arranged in the combined pipe (a 51), the rotary paddle (a 53) is movably clamped at the front end of the communication channel (a 52), the combination block (a 54) is fixedly connected below the rotary paddle (a 53), the communication channel (a 52) is communicated with the dispersing pipe (a 55) through the rotary paddle (a 53), and the disperser (a 57) is fixedly connected below the combination block (a 54) through the connecting block (a 56).
6. The nonwoven fabric cleaner according to claim 5, wherein: the disperser (a 57) mainly comprises a box body (a 571), a combination plate (a 572), a baffle plate (a 573) and a fixing plate (a 574), wherein the fixing plate (a 574) is embedded and connected on the side of the box body (a 571), the baffle plate (a 573) is connected below the box body (a 571) through bolts, and the combination plate (a 572) is attached to the middle section of the baffle plate (a 573).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601249.3A CN111893724A (en) | 2020-06-29 | 2020-06-29 | Non-woven fabric cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601249.3A CN111893724A (en) | 2020-06-29 | 2020-06-29 | Non-woven fabric cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111893724A true CN111893724A (en) | 2020-11-06 |
Family
ID=73207082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010601249.3A Withdrawn CN111893724A (en) | 2020-06-29 | 2020-06-29 | Non-woven fabric cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111893724A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897003A (en) * | 1974-02-19 | 1975-07-29 | Protectoseal Co | Blowout nozzle |
| CN201735467U (en) * | 2010-07-30 | 2011-02-09 | 徐仙友 | Mist nozzle of sprayer capable of adjusting mist spraying amount |
| CN102233342A (en) * | 2010-04-28 | 2011-11-09 | 中国科学院微电子研究所 | Multifunctional carbon dioxide cleaning machine |
| CN203484253U (en) * | 2013-08-13 | 2014-03-19 | 广东达华节水科技股份有限公司 | Adjustable nozzle |
| CN104338633A (en) * | 2014-11-04 | 2015-02-11 | 佛山市阳光陶瓷有限公司 | Energy-saving spray gun device for kiln |
| CN108579277A (en) * | 2018-06-23 | 2018-09-28 | 许昌永新电气股份有限公司 | The damping air nozzle structure of electrical control house dust purifier |
| CN210701368U (en) * | 2019-06-20 | 2020-06-09 | 广东秋鹿实业有限公司 | Decontamination spray gun |
| US20200180770A1 (en) * | 2016-07-28 | 2020-06-11 | The Boeing Company | Three Dimensional Pinched Airflow Nozzle and Methods for Use Thereof |
-
2020
- 2020-06-29 CN CN202010601249.3A patent/CN111893724A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897003A (en) * | 1974-02-19 | 1975-07-29 | Protectoseal Co | Blowout nozzle |
| CN102233342A (en) * | 2010-04-28 | 2011-11-09 | 中国科学院微电子研究所 | Multifunctional carbon dioxide cleaning machine |
| CN201735467U (en) * | 2010-07-30 | 2011-02-09 | 徐仙友 | Mist nozzle of sprayer capable of adjusting mist spraying amount |
| CN203484253U (en) * | 2013-08-13 | 2014-03-19 | 广东达华节水科技股份有限公司 | Adjustable nozzle |
| CN104338633A (en) * | 2014-11-04 | 2015-02-11 | 佛山市阳光陶瓷有限公司 | Energy-saving spray gun device for kiln |
| US20200180770A1 (en) * | 2016-07-28 | 2020-06-11 | The Boeing Company | Three Dimensional Pinched Airflow Nozzle and Methods for Use Thereof |
| CN108579277A (en) * | 2018-06-23 | 2018-09-28 | 许昌永新电气股份有限公司 | The damping air nozzle structure of electrical control house dust purifier |
| CN210701368U (en) * | 2019-06-20 | 2020-06-09 | 广东秋鹿实业有限公司 | Decontamination spray gun |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111893724A (en) | Non-woven fabric cleaner | |
| CN211839383U (en) | Cleaning device for automobile brake pipe | |
| CN112871939B (en) | High-altitude cable surface cleaning robot | |
| CN201505588U (en) | Return spray gun structure | |
| CN201559630U (en) | Water-flushing car cleaning tool working with high-pressure car washing machine | |
| CN101507965A (en) | Three-dimensional crane type double-C shaped tube can-washing machine | |
| CN201082396Y (en) | Improved high pressure cleaning machine showerhead | |
| CN201454913U (en) | unpowered flusher | |
| CN217923104U (en) | Box girder spraying and curing device | |
| CN212015491U (en) | Large-scale floor scrubber chassis | |
| CN101920251A (en) | Unpowered flushing device | |
| CN216439133U (en) | Rotating shaft structure of floor washing tray | |
| CN208880316U (en) | A kind of cooling device of numerical control machining center | |
| CN214626913U (en) | Energy-concerving and environment-protective type photovoltaic board washs dolly | |
| CN110882976A (en) | Greasy dirt clean-up equipment for mechanical maintenance | |
| CN213433598U (en) | Movable water spraying and dust suppression trolley | |
| CN113338812B (en) | Automatic cleaning mechanism for drilling bit and using method | |
| CN220215912U (en) | Photovoltaic bicycle shed cleaning tool | |
| CN217744292U (en) | Workshop mop cleaning device | |
| CN213078866U (en) | Automatic paint spraying equipment capable of preventing paint spraying from splashing | |
| CN214211501U (en) | Agricultural machinery belt cleaning device | |
| CN215756338U (en) | Installation mechanism for cleaning cup of filling machine | |
| CN214976068U (en) | Handheld photovoltaic power generation board purger | |
| CN207854886U (en) | A kind of Self-walking sprayer with spraying rod | |
| CN220655499U (en) | Wall cleaning machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201106 |
|
| WW01 | Invention patent application withdrawn after publication |