CN108671610A - A kind of wastewater treatment equipment with backwashing function - Google Patents
A kind of wastewater treatment equipment with backwashing function Download PDFInfo
- Publication number
- CN108671610A CN108671610A CN201810603846.2A CN201810603846A CN108671610A CN 108671610 A CN108671610 A CN 108671610A CN 201810603846 A CN201810603846 A CN 201810603846A CN 108671610 A CN108671610 A CN 108671610A
- Authority
- CN
- China
- Prior art keywords
- welded
- footstock
- bolted
- treatment box
- pedestal
- 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- Withdrawn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
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 17
- 238000011001 backwashing Methods 0.000 title claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/684—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a translatory movement with respect to the filtering element
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (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)
- Removal Of Floating Material (AREA)
Abstract
The invention discloses a kind of wastewater treatment equipments with backwashing function, including pedestal, second processing case, oil cylinder, footstock, support column and partition board, one middle side part of the pedestal has been bolted to connection switch, it is opened up in the middle part of the base upper surface fluted, the groove upper surface middle part is placed with second processing case, second processing box outer wall side is threaded with outlet valve by positon of near bottom, the second processing chamber interior wall on both sides of the middle is respectively welded the first filter screen and the second filter screen, and both ends are welded with oil cylinder in the middle part of the base upper surface；The present invention above the pedestal of the first treatment box both sides by being equipped with oil cylinder, the oil pump being equipped on oil cylinder, and the hydraulic telescopic rod being equipped on oil pump, giant is moved up and down with rotary nozzle by top plate, it is backwashed between effective the first treatment box and footstock for making water inlet, improves cleaning effect and make up the deficiencies in the prior art.
Description
Technical field
The present invention relates to technical field of energy saving and environmental protection, specially a kind of wastewater treatment equipment with backwashing function.
Background technology
Wastewater treatment is exactly to be handled waste water using the method for physics, chemistry and biology, makes purification of waste water, is reduced dirty
Dye makes full use of water resource, existing Physical wastewater treatment equipment to be carried out to waste water so that reaching Sewage treatment, multiplexing
There is also many deficiencies when processing, and repercussion effect is not ideal enough that there are certain defects, such as：
1. wastewater treatment equipment in the prior art is due to the defect of its own, the after a protracted use filtering of filter device
Effect reduces, and more inconvenient in cleaning, leverages filter efficiency, can not meet the requirement of the prior art.
2. wastewater treatment equipment in the prior art, due to the defect in its structure, leads to backwash effect in backwash
It is bad, more sundries is still remained, backwash can not be effectively played the role of, can not meet the requirement of the prior art.
Invention content
The purpose of the present invention is to provide a kind of wastewater treatment equipments with backwashing function, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions：A kind of wastewater treatment dress with backwashing function
It sets, including pedestal, second processing case, oil cylinder, footstock, support column and partition board, one middle side part of the pedestal is bolted company
It is connected to switch, opens up fluted in the middle part of the base upper surface, the groove upper surface middle part is placed with second processing case, described
Second processing box outer wall side is threaded with outlet valve by positon of near bottom, and the second processing chamber interior wall on both sides of the middle is welded respectively
It is connected to the first filter screen and the second filter screen, both ends are welded with oil cylinder, the oil cylinder upper surface in the middle part of the base upper surface
Middle part has been bolted to connection oil pump, and the oil pump upper surface middle part has been bolted to connection hydraulically extensible
Bar, the hydraulic telescopic rod top are welded with top plate, and top plate lower surface at one end has been bolted to connection height
Hydraulic giant, the giant bottom end is pressed to be bolted to connection rotary nozzle, be welded in the middle part of the base upper surface
First treatment box, first treatment box upper surface, which corresponds to, offers water inlet at rotary nozzle, first treatment box bottom
Through-hole is offered at portion axle center, the first treatment box inner tip is welded with footstock, and cavity, institute are offered inside the footstock
It states cavity inner wall lower surface on both sides of the middle and has been bolted to connection accumulator, footstock lower surface on both sides of the middle and the
Welding is socketed with support column, the branch there are three honeycomb guard at the footstock axle center between one treatment box interior lower surface
Dagger bottom end is welded with pressing plate, and the first treatment box upper surface of the support column side is welded with partition board, the partition board upper surface
Middle part has been bolted to connection motor, and the motor power output end is welded with disk, and proximal edge is leaned in the disk side
Place is rotatably connected to connecting rod by axis pin, and the connecting rod top is rotatablely connected by axis pin and support column, the accumulator
Output end is electrically connected with switch input terminal, and the output switching terminal is electrically connected with motor and oil pump input terminal respectively.
Preferably, the first treatment box lower surface of the through-hole side is welded with position-limiting cover.
Preferably, limiting slot is offered in the middle part of the footstock lower surface.
Preferably, pressing plate periphery middle part is socketed with sealing ring.
Preferably, support column periphery top is welded with annulus.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention passes through the second processing case that is equipped on pedestal so that it is relatively simple in cleaning, and by equipped with height
Press hydraulic giant and rotary nozzle so that it is more convenient when clearing up the first treatment box, labor intensity when cleaning is effectively alleviated,
Make up the deficiencies in the prior art.
2, the present invention by above the pedestal of the first treatment box both sides be equipped with oil cylinder, the oil pump being equipped on oil cylinder, and
The hydraulic telescopic rod being equipped on oil pump so that giant can be moved up and down with rotary nozzle by top plate, effectively
So that water inlet the first treatment box and footstock between backwashed, improve cleaning effect make up the prior art not
Foot.
Description of the drawings
Fig. 1 is main view overall structure diagram of the present invention；
Fig. 2 is backsight structural representation of the present invention；
Fig. 3 is connecting rod side structure schematic view of the present invention；
Fig. 4 is component connection figure of the present invention.
In figure：1- pedestals；11- grooves；12- is switched；2- second processing casees；21- outlet valves；The first filter screens of 22-；23-
Second filter screen；3- oil cylinders；31- oil pumps；32- hydraulic telescopic rods；33- top plates；34- giants；35- rotary nozzles；4-
One treatment box；41- honeycomb guards；42- through-holes；43- position-limiting covers；45- water inlets；5- footstocks；51- cavitys；52- accumulators；53-
Limiting slot；6- support columns；61- annulus；62- pressing plates；63- sealing rings；7- partition boards；71- motors；72- disks；73- connecting rods.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of wastewater treatment equipment with backwashing function,
Including pedestal 1, second processing case 2, oil cylinder 3, footstock 5, support column 6 and partition board 7,1 one middle side part of the pedestal is solid by bolt
Surely it is connected with switch 12,1 upper surface middle part of the pedestal opens up fluted 11, and 11 upper surface middle part of the groove is placed with second
Treatment box 2,2 outer wall side of the second processing case are threaded with outlet valve 21 by positon of near bottom, in the second processing case 2
Wall on both sides of the middle is respectively welded the first filter screen 22 and the second filter screen 23, and 1 upper surface middle part both ends of the pedestal are welded
There are oil cylinder 3,3 upper surface middle part of the oil cylinder to be bolted to connection oil pump 31,31 model of the oil pump
100YHCB-100,31 upper surface middle part of the oil pump have been bolted to connection hydraulic telescopic rod 32, the hydraulically extensible
32 top of bar is welded with top plate 33, and 33 lower surface at one end of the top plate has been bolted to connection giant 34,
34 bottom end of the giant has been bolted to connection rotary nozzle 35, and 1 upper surface middle part of the pedestal is welded with
One treatment box 4,4 upper surface of the first treatment box, which corresponds to, offers water inlet 45 at rotary nozzle 35, first processing
Through-hole 42 is offered at 4 bottom axle center of case, 4 inner tip of the first treatment box is welded with footstock 5, is opened inside the footstock 5
Equipped with cavity 51,51 interior lower surface on both sides of the middle of the cavity has been bolted to connection accumulator 52, the footstock 5
There are three honeycomb guard 41,5 axle center of the footstock for welding between 4 interior lower surface of lower surface on both sides of the middle and the first treatment box
Place is socketed with support column 6, and 6 bottom end of the support column is welded with pressing plate 62,4 upper table of the first treatment box of 6 side of the support column
Face is welded with partition board 7, and 7 upper surface middle part of the partition board has been bolted to connection motor 71,71 model Y- of the motor
180L-8,71 power output end of the motor are welded with disk 72, and 72 side of the disk is rotated close to edge by axis pin
Be connected with connecting rod 73,73 top of the connecting rod is rotatablely connected by axis pin and support column 6,52 output end of the accumulator with
12 input terminal of switch is electrically connected, and 12 output end of the switch is electrically connected with motor 71 and 31 input terminal of oil pump respectively.
4 lower surface of the first treatment box of 42 side of the through-hole is welded with position-limiting cover 43, avoids water body from splashing and protects surrounding
Environment, 5 lower surface of footstock middle part offer limiting slot 53, play the positioning action to pressing plate 62,62 periphery of the pressing plate
Middle part is socketed with sealing ring 63, improves the leakproofness between pressing plate 62 and through-hole 42, and the peripheral top of the support column 6 is welded with annulus
61, play positioning action.
Operation principle：Wastewater treatment equipment is first placed in working region when in use, then handles waste water from first
It is poured at the water inlet 45 of 4 top of case, after the filtering of honeycomb guard 41, motor 71 is started by Operation switch 12 so that circle
Disk 72 is rotated by motor 71, to drive connecting rod 73 to be swung, so that support column 6 is upper and lower in footstock 5
It is mobile so that when the pressing plate 62 of 6 bottom end of support column is in through-hole 42 into when go out so that treated, waste water passes through through-hole 42
It enters in second processing case 2 and handles again, due to the first make contact that water inlet 45 is waste water, can accumulate after long-time service big
The sundries of amount starts oil pump 31 so that the oil body in oil cylinder 3 enters in hydraulic telescopic rod 32 by Operation switch 12 so that
Hydraulic telescopic rod 32 elongates or shortens so that the rotary nozzle 35 of 34 bottom end of giant can by the first treatment box 4 with
Sundries between footstock 5 is purged.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of wastewater treatment equipment with backwashing function, including pedestal（1）, second processing case（2）, oil cylinder（3）, footstock
（5）, support column（6）And partition board（7）, it is characterised in that：The pedestal（1）One middle side part has been bolted to connection switch
（12）, the pedestal（1）Upper surface middle part opens up fluted（11）, the groove（11）Upper surface middle part is placed with second processing
Case（2）, the second processing case（2）Outer wall side is threaded with outlet valve by positon of near bottom（21）, the second processing case
（2）Inner wall on both sides of the middle is respectively welded the first filter screen（22）With the second filter screen（23）, the pedestal（1）Upper surface middle part
Both ends are welded with oil cylinder（3）, the oil cylinder（3）Upper surface middle part has been bolted to connection oil pump（31）, the oil
Pump（31）Upper surface middle part has been bolted to connection hydraulic telescopic rod（32）, the hydraulic telescopic rod（32）It welds on top
It is connected to top plate（33）, the top plate（33）Lower surface at one end has been bolted to connection giant（34）, the height
Press hydraulic giant（34）Bottom end has been bolted to connection rotary nozzle（35）, the pedestal（1）Upper surface middle part is welded with
One treatment box（4）, first treatment box（4）Upper surface corresponds to rotary nozzle（35）Place offers water inlet（45）, described
First treatment box（4）Bottom offers through-hole at axle center（42）, first treatment box（4）Inner tip is welded with footstock（5）,
The footstock（5）Inside offers cavity（51）, the cavity（51）The interior lower surface on both sides of the middle company of being bolted
It is connected to accumulator（52）, the footstock（5）Lower surface on both sides of the middle and the first treatment box（4）It is welded between interior lower surface
Three honeycomb guards（41）, the footstock（5）Support column is socketed at axle center（6）, the support column（6）Bottom end is welded with pressing plate
（62）, the support column（6）First treatment box of side（4）Upper surface is welded with partition board（7）, the partition board（7）In upper surface
Portion has been bolted to connection motor（71）, the motor（71）Power output end is welded with disk（72）, the disk
（72）Side is rotatably connected to connecting rod close to edge by axis pin（73）, the connecting rod（73）Top passes through axis pin and branch
Dagger（6）Rotation connection, the accumulator（52）Output end and switch（12）Input terminal is electrically connected, the switch（12）Output
End respectively with motor（71）With oil pump（31）Input terminal is electrically connected.
2. a kind of wastewater treatment equipment with backwashing function according to claim 1, it is characterised in that：The through-hole
（42）First treatment box of side（4）Lower surface is welded with position-limiting cover（43）.
3. a kind of wastewater treatment equipment with backwashing function according to claim 1, it is characterised in that：The footstock
（5）Limiting slot is offered in the middle part of lower surface（53）.
4. a kind of wastewater treatment equipment with backwashing function according to claim 1, it is characterised in that：The pressing plate
（62）Peripheral middle part is socketed with sealing ring（63）.
5. a kind of wastewater treatment equipment with backwashing function according to claim 1, it is characterised in that：The support
Column（6）Peripheral top is welded with annulus（61）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603846.2A CN108671610A (en) | 2018-06-12 | 2018-06-12 | A kind of wastewater treatment equipment with backwashing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603846.2A CN108671610A (en) | 2018-06-12 | 2018-06-12 | A kind of wastewater treatment equipment with backwashing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108671610A true CN108671610A (en) | 2018-10-19 |
Family
ID=63809118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810603846.2A Withdrawn CN108671610A (en) | 2018-06-12 | 2018-06-12 | A kind of wastewater treatment equipment with backwashing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108671610A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550290A (en) * | 2018-10-23 | 2019-04-02 | 江苏华卓智能过滤装备系统有限公司 | A kind of backwash filter |
| CN112607881A (en) * | 2020-11-17 | 2021-04-06 | 宁波职业技术学院 | Petroleum resin effluent treatment plant |
| CN114984637A (en) * | 2022-05-27 | 2022-09-02 | 立铠精密科技(盐城)有限公司 | Wastewater treatment device with anti-blocking function |
| CN115090021A (en) * | 2022-07-18 | 2022-09-23 | 南通佳景健康科技股份有限公司 | Full filter equipment of FRP size mixing machine for hydrotherapy |
-
2018
- 2018-06-12 CN CN201810603846.2A patent/CN108671610A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550290A (en) * | 2018-10-23 | 2019-04-02 | 江苏华卓智能过滤装备系统有限公司 | A kind of backwash filter |
| CN112607881A (en) * | 2020-11-17 | 2021-04-06 | 宁波职业技术学院 | Petroleum resin effluent treatment plant |
| CN114984637A (en) * | 2022-05-27 | 2022-09-02 | 立铠精密科技(盐城)有限公司 | Wastewater treatment device with anti-blocking function |
| CN114984637B (en) * | 2022-05-27 | 2023-06-06 | 立铠精密科技(盐城)有限公司 | Wastewater treatment device with anti-blocking function |
| CN115090021A (en) * | 2022-07-18 | 2022-09-23 | 南通佳景健康科技股份有限公司 | Full filter equipment of FRP size mixing machine for hydrotherapy |
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| 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: 20181019 |
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| WW01 | Invention patent application withdrawn after publication |