CN111646527A - Domestic sewage purification treatment device - Google Patents
Domestic sewage purification treatment device Download PDFInfo
- Publication number
- CN111646527A CN111646527A CN202010470620.7A CN202010470620A CN111646527A CN 111646527 A CN111646527 A CN 111646527A CN 202010470620 A CN202010470620 A CN 202010470620A CN 111646527 A CN111646527 A CN 111646527A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- base
- housing
- domestic sewage
- rod
- 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- Withdrawn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
- 239000010865 sewage Substances 0.000 title claims abstract description 32
- 238000000746 purification Methods 0.000 title claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000004659 sterilization and disinfection Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- 239000004750 melt-blown nonwoven Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000000249 desinfective effect Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000009395 breeding Methods 0.000 abstract description 2
- 230000001488 breeding effect Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 abstract 1
- 244000309464 bull Species 0.000 description 6
- 230000001580 bacterial effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Sewage (AREA)
Abstract
The invention relates to the field of water purification, in particular to a domestic sewage purification treatment device, which comprises a shell, wherein a filtering mechanism is arranged on the inner side of the shell, a base is arranged on the lower side of the shell, a recovery box is arranged at the top of the base, the base is connected with the shell through a supporting mechanism, a groove is arranged on the inner side of the base, a vibrating mechanism is arranged on the inner side of the groove, by arranging the filtering mechanism, the first filtering plate is used for filtering sundries, the oil-water separating plate is used for separating oil stains in domestic sewage, the sewage entering a sewer pipeline is ensured to be oilless, the environment is protected, by arranging the disinfecting mechanism, can avoid bacteria breeding, can make the shell vibrate up and down by arranging the vibration mechanism, thereby avoid debris jam filtration pore, guarantee filtering process's stability, can accelerate the filter rate to sewage simultaneously, improve device's work efficiency.
Description
Technical Field
The invention relates to the field of water purification, in particular to a domestic sewage purification treatment device.
Background
At present, with the acceleration of the industrialized process of China, the economy is rapidly developed, and meanwhile, the water resource is also damaged. In recent years, various serious water pollution events occur, so that people find that water resource shortage is more and more obvious, and water conservation is better.
In the household life, people generally realize that vegetable washing water, washing water and the like are stored for flushing a toilet or watering flowers, but the used water contains impurities such as vegetable leaves, so that the impurities cannot be directly utilized, and the problem of blockage is caused when the impurities are used for flushing the toilet.
Disclosure of Invention
The invention aims to provide a domestic sewage purification treatment device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a domestic sewage purification unit, includes the casing, the casing inboard is provided with filtering mechanism, the casing downside is provided with the base, the base top is provided with the collection box, be connected through supporting mechanism between base and the casing, the base inboard is provided with the recess, the recess inboard is provided with vibration mechanism.
As a further scheme of the invention: the filtering mechanism comprises supporting plates which are fixedly connected with the left end and the right end of the inner side of the shell, a plurality of positioning blocks which are connected with the shell in a sliding mode are arranged on the upper side of each supporting plate, a second spring is arranged between each positioning block and the corresponding shell in a fixed connection mode, a first filtering plate is arranged between each positioning block and the corresponding supporting plate, an oil-water separating plate fixedly connected with the shell is arranged on the lower side of the first filtering plate, and a disinfecting mechanism is arranged on the lower side of the oil-water separating.
As a further scheme of the invention: the oil-water separation plate comprises a second filter plate fixedly connected and arranged on the inner side of the shell, and PP melt-blown non-woven fabric is arranged on the top of the second filter plate in an adhesion connection mode.
As a further scheme of the invention: the disinfection mechanism includes that fixed connection sets up the installing frame in the casing bottom, the inboard bolted connection of installing frame is provided with first motor, first motor upside output is connected with the puddler that sets up in the casing inboard, fixed connection is provided with the filter screen on the puddler, the puddler left and right sides all is provided with the disinfection lamp with casing bolted connection.
As a further scheme of the invention: the improved water-saving water dispenser is characterized in that a top cover is arranged at the top of the shell, the right end of the top cover is hinged to the shell, the left end of the top cover is connected with the shell through a buckle in a clamped mode, a water inlet pipe is fixedly connected to the top cover, an cover plate is arranged at the top of the top cover in a clamped mode, and a plurality of water outlet pipes are fixedly connected to the bottom of.
As a further scheme of the invention: the supporting mechanism comprises a plurality of supporting rods arranged on the left side and the right side of the collecting box, the bottom ends of the supporting rods are fixedly connected with the base, sliding rods are arranged on the inner sides of the supporting rods in a sliding connection mode, first springs are fixedly connected between the sliding rods and the supporting rods, the top ends of the sliding rods are fixedly connected with the shell, limiting blocks are arranged on the left side and the right side of the shell in a fixed connection mode, and the limiting blocks are slidably connected with limiting grooves formed in the inner sides of the base.
As a further scheme of the invention: the vibration mechanism comprises a second motor which is connected with a bolt and arranged on the inner side of the base, the output end of the second motor is connected with a rotating rod, a driven rod connected with a base bearing is arranged on the right side of the rotating rod, a transmission rod connected with the base bearing is arranged between the driven rod and the rotating rod, belt wheels are arranged on the transmission rod and the rotating rod in a fixed connection mode, the belt wheels are connected through belts, the transmission rod and the driven rod are connected through gear engagement, an incomplete gear is arranged on the rotating rod and the driven rod in a fixed connection mode, the lower side of the incomplete gear is provided with a sliding block connected with the base in a sliding mode, a rack connected with the incomplete gear engagement is arranged on the top of the sliding block in a fixed connection mode, a pull rope is arranged on the outer side of the sliding block in a.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the filtering mechanism, sundries are filtered by the first filtering plate, oil stains in domestic sewage are separated by the oil-water separating plate, the sewage entering a sewer pipeline is ensured to be oil-free, the environment is protected, and bacterial breeding can be avoided through the arrangement of the disinfecting mechanism;
2. the top cover is hinged with the shell, so that people can conveniently clean the filtering mechanism arranged on the inner side of the shell;
3. through setting up vibration mechanism, the second motor drives the bull stick and rotates, and the bull stick passes through the transfer line and drives the driven lever rotation, and bull stick and driven lever drive incomplete gear revolve, and incomplete gear can make the casing vibrate from top to bottom through with rack effect to avoid debris to block up the filtration pore, guarantee the stability of filtering process, can accelerate the filter rate to sewage simultaneously, improve device's work efficiency.
Drawings
FIG. 1 is a schematic view showing the construction of a domestic sewage purification treatment apparatus.
Fig. 2 is a plan view of a vibration mechanism in the sewage purification treatment apparatus.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Fig. 4 is a schematic perspective view of a domestic sewage purification treatment apparatus.
In the figure: 1-shell, 2-top cover, 3-water inlet pipe, 4-first filter plate, 5-oil-water separation plate, 6-PP melt-blown non-woven fabric, 7-installation frame, 8-first motor, 9-stirring rod, 10-disinfection lamp, 11-water outlet pipe, 12-base, 13-limiting block, 14-limiting groove, 15-supporting rod, 16-sliding rod, 17-first spring, 18-recovery box, 19-rotating rod, 20-driven rod, 21-sliding block, 22-fixed pulley, 23-pull rope, 24-second motor, 25-driving rod, 26-incomplete gear, 27-rack, 28-supporting plate, 29-positioning block and 30-second spring.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1-4, in an embodiment of the present invention, a domestic sewage purification treatment apparatus includes a housing 1, a filtering mechanism is disposed inside the housing 1, a base 12 is disposed on a lower side of the housing 1, a recycling bin 18 is disposed on a top of the base 12, the base 12 is connected to the housing 1 through a supporting mechanism, a groove is disposed inside the base 12, and a vibrating mechanism is disposed inside the groove.
Example 2
In this embodiment, filtering mechanism includes that fixed connection sets up the backup pad 28 at both ends about 1 inboard of casing, both sides backup pad 28 upside all is provided with a plurality of locating pieces 29 with 1 sliding connection of casing, fixed connection is provided with second spring 30 between locating piece 29 and the casing 1, be provided with first filter 4 between locating piece 29 and the backup pad 28, 4 downside of first filter are provided with the water oil separating plate 5 with 1 fixed connection of casing, 5 downside of water oil separating plate are provided with disinfection mechanism, through setting up filtering mechanism, utilize first filter 4 to filter debris, utilize water oil separating plate 5 to make the oil stain of domestic sewage obtain the separation, guarantee that the sewage that gets into sewer pipe does not have oil, the environmental protection, through setting up disinfection mechanism, can avoid bacterial growing.
In this embodiment, the oil-water separation plate 5 includes a second filter plate fixedly connected to the inner side of the housing 1, and a PP melt-blown nonwoven fabric 6 is adhered to the top of the second filter plate.
In this embodiment, disinfection mechanism includes that fixed connection sets up the installing frame 7 in casing 1 bottom, the inboard bolted connection of installing frame 7 is provided with first motor 8, 8 upside outputs of first motor are connected with the puddler 9 that sets up in casing 1 inboard, fixed connection is provided with the filter screen on the puddler 9, the puddler 9 left and right sides all is provided with the disinfection lamp 10 with casing 1 bolted connection.
In this embodiment, 1 top of casing is provided with top cap 2, 2 right-hand members of top cap are articulated with casing 1, through the buckle joint between 2 left ends of top cap and the casing 1, fixed connection is provided with inlet tube 3 on the top cap 2, and 2 top joints of top cap are provided with the apron, 1 bottom fixed connection of casing is provided with a plurality of outlet pipes 11, and is articulated through making top cap 2 and casing 1, makes things convenient for people to clear up the filter mechanism who sets up at 1 inboard of casing.
In this embodiment, the supporting mechanism includes a plurality of supporting rods 15 disposed on the left and right sides of the collecting box 18, the bottom end of each supporting rod 15 is fixedly connected to the base 12, a sliding rod 16 is slidably connected to the inner side of each supporting rod 15, a first spring 17 is fixedly connected between each sliding rod 16 and each supporting rod 15, the top end of each sliding rod 16 is fixedly connected to the casing 1, the left and right sides of the casing 1 are fixedly connected to limit blocks 13, and the limit blocks 13 are slidably connected to limit grooves 14 disposed on the inner side of the base 12.
In this embodiment, the vibration mechanism includes a second motor 24 disposed inside the base 12 by bolt connection, an output end of the second motor 24 is connected with the rotating rod 19, a driven rod 20 connected with a bearing of the base 12 is disposed on the right side of the rotating rod 19, a transmission rod 25 connected with a bearing of the base 12 is disposed between the driven rod 20 and the rotating rod 19, belt wheels are fixedly connected to the outer sides of the transmission rod 25 and the rotating rod 19, the belt wheels are connected by a belt, the transmission rod 25 and the driven rod 20 are connected by gear engagement, an incomplete gear 26 is fixedly connected to the outer sides of the rotating rod 19 and the driven rod 20, a sliding block 21 slidably connected with the base 12 is disposed on the lower side of the incomplete gear 26, a rack 27 connected with the incomplete gear 26 by gear engagement is fixedly connected to the top of the sliding block 21, a pull rope 23 is fixedly connected to the outer side of the sliding, the other end of the pull rope 23 penetrates through a positioning wheel 22 and a limiting block 13 to be fixedly connected, through the arrangement of a vibration mechanism, the second motor 24 drives the rotating rod 19 to rotate, the rotating rod 19 drives the driven rod 20 to rotate through the transmission rod 25, the rotating rod 19 and the driven rod 20 drive the incomplete gear 26 to rotate, the incomplete gear 26 can enable the shell 1 to vibrate up and down through the action of the rack 27, therefore, filter holes are prevented from being blocked by sundries, the stability of the filtering process is ensured, the filtering speed of sewage can be accelerated at the same time, and the working efficiency of the device is improved.
In this embodiment, the bottom of the sliding block 21 is fixedly connected with a guide block, and the guide block is slidably connected with a guide groove formed in the inner side of the base 12.
The working principle of the invention is as follows: pour sewage into from inlet tube 3, first filter 4 filters debris, oil water separator plate 5 makes the oil stain among the domestic sewage obtain the separation, it is oilless to guarantee the sewage that gets into the sewer pipe, the environmental protection, bacterial growing can be avoided to disinfection mechanism, simultaneously can provide further filtration to debris in the sewage, in the filtering process, second motor 24 drives bull stick 19 and rotates, bull stick 19 drives driven lever 20 through transfer line 25 and rotates, bull stick 19 and driven lever 20 drive incomplete gear 26 and rotate, incomplete gear 26 can make casing 1 vibrate from top to bottom through acting on with rack 27, thereby avoid debris to block up the filtration pore, guarantee the stability of filtering process, can accelerate the filter speed to sewage simultaneously, improve device's work efficiency, sewage after filtering flows into in collection box 18 along outlet pipe 11.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. The utility model provides a domestic sewage purification unit, includes casing (1), its characterized in that, casing (1) inboard is provided with filtering mechanism, casing (1) downside is provided with base (12), base (12) top is provided with collection box (18), be connected through supporting mechanism between base (12) and casing (1), base (12) inboard is provided with the recess, the recess inboard is provided with vibration mechanism.
2. The domestic sewage purification treatment device according to claim 1, wherein the filtering mechanism comprises supporting plates (28) fixedly connected and arranged at the left and right ends of the inner side of the housing (1), a plurality of positioning blocks (29) slidably connected with the housing (1) are arranged on the upper sides of the supporting plates (28) on both sides, a second spring (30) is fixedly connected and arranged between the positioning blocks (29) and the housing (1), a first filtering plate (4) is arranged between the positioning blocks (29) and the supporting plates (28), an oil-water separating plate (5) fixedly connected with the housing (1) is arranged on the lower side of the first filtering plate (4), and a disinfection mechanism is arranged on the lower side of the oil-water separating plate (5).
3. The domestic sewage purification treatment apparatus according to claim 2, wherein the oil-water separation plate (5) comprises a second filter plate fixedly connected and arranged inside the housing (1), and the top of the second filter plate is adhesively connected and provided with a PP melt-blown non-woven fabric (6).
4. The domestic sewage purification treatment device according to claim 3, wherein the disinfection mechanism comprises a mounting frame (7) fixedly connected and arranged at the bottom of the housing (1), a first motor (8) is arranged at the inner side of the mounting frame (7) in a bolted connection manner, the upper side output end of the first motor (8) is connected with a stirring rod (9) arranged at the inner side of the housing (1), a filter screen is arranged at the stirring rod (9) in a fixedly connected manner, and disinfection and sterilization lamps (10) which are connected with the housing (1) in a bolted manner are arranged at the left side and the right side of the stirring rod (9).
5. The domestic sewage purification treatment device according to claim 4, wherein a top cover (2) is arranged at the top of the housing (1), the right end of the top cover (2) is hinged to the housing (1), the left end of the top cover (2) is connected with the housing (1) through a buckle in a clamping manner, the top cover (2) is fixedly connected with a water inlet pipe (3), the top of the top cover (2) is connected with a cover plate in a clamping manner, and a plurality of water outlet pipes (11) are fixedly connected with the bottom of the housing (1).
6. The domestic sewage purification treatment device according to claim 1, wherein the support mechanism comprises a plurality of support rods (15) arranged at the left and right sides of the collection box (18), the bottom ends of the support rods (15) are fixedly connected with the base (12), slide rods (16) are slidably connected at the inner sides of the support rods (15), first springs (17) are fixedly connected between the slide rods (16) and the support rods (15), the top ends of the slide rods (16) are fixedly connected with the housing (1), limit blocks (13) are fixedly connected at the left and right sides of the housing (1), and the limit blocks (13) are slidably connected with limit grooves (14) arranged at the inner sides of the base (12).
7. The domestic sewage purification treatment apparatus according to claim 6, wherein the vibration mechanism comprises a second motor (24) which is bolted and arranged on the inner side of the base (12), the output end of the second motor (24) is connected with the rotating rod (19), a driven rod (20) which is connected with the bearing of the base (12) is arranged on the right side of the rotating rod (19), a transmission rod (25) which is connected with the bearing of the base (12) is arranged between the driven rod (20) and the rotating rod (19), belt wheels are fixedly connected on the outer sides of the transmission rod (25) and the rotating rod (19), the belt wheels are connected through a belt, the transmission rod (25) and the driven rod (20) are connected through gear engagement, an incomplete gear (26) is fixedly connected on the outer sides of the rotating rod (19) and the driven rod (20), a slide block (21) which is connected with the base (12) in a sliding manner is arranged on the lower side of the incomplete gear (26), the top of the sliding block (21) is fixedly connected with a rack (27) meshed with the incomplete gear (26), the outer side of the sliding block (21) is fixedly connected with a pull rope (23), and the other end of the pull rope (23) penetrates through the positioning wheel (22) to be fixedly connected with the limiting block (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010470620.7A CN111646527A (en) | 2020-05-28 | 2020-05-28 | Domestic sewage purification treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010470620.7A CN111646527A (en) | 2020-05-28 | 2020-05-28 | Domestic sewage purification treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111646527A true CN111646527A (en) | 2020-09-11 |
Family
ID=72348662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010470620.7A Withdrawn CN111646527A (en) | 2020-05-28 | 2020-05-28 | Domestic sewage purification treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111646527A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619223A (en) * | 2020-12-16 | 2021-04-09 | 合肥乡情园林景观设计有限公司 | Waste water draw-out device for garden engineering |
| CN113072201A (en) * | 2021-03-29 | 2021-07-06 | 日照职业技术学院 | Environmental engineering sewage treatment plant |
| CN114477659A (en) * | 2022-03-15 | 2022-05-13 | 河南应用技术职业学院 | Online recovery processing device of chemical industry waste liquid |
-
2020
- 2020-05-28 CN CN202010470620.7A patent/CN111646527A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619223A (en) * | 2020-12-16 | 2021-04-09 | 合肥乡情园林景观设计有限公司 | Waste water draw-out device for garden engineering |
| CN113072201A (en) * | 2021-03-29 | 2021-07-06 | 日照职业技术学院 | Environmental engineering sewage treatment plant |
| CN114477659A (en) * | 2022-03-15 | 2022-05-13 | 河南应用技术职业学院 | Online recovery processing device of chemical industry waste liquid |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200911 |
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| WW01 | Invention patent application withdrawn after publication |