CN109338880A - A kind of overpass rainwater-collecting reuse means - Google Patents
A kind of overpass rainwater-collecting reuse means Download PDFInfo
- Publication number
- CN109338880A CN109338880A CN201811206857.3A CN201811206857A CN109338880A CN 109338880 A CN109338880 A CN 109338880A CN 201811206857 A CN201811206857 A CN 201811206857A CN 109338880 A CN109338880 A CN 109338880A
- Authority
- CN
- China
- Prior art keywords
- rainwater
- overpass
- collecting
- reuse means
- viaduct
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000002262 irrigation Effects 0.000 claims abstract description 10
- 238000003973 irrigation Methods 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Soil Sciences (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of overpass rainwater-collecting reuse means, several viaduct piers including overpass bridge floor and positioned at overpass bridge floor bottom, it is characterized in that, overpass bridge floor two sides are equipped with viaduct bridge guardrail, several overpass flower case is installed on viaduct bridge guardrail, the overpass bridge floor is equipped with rain collector, the viaduct pier is equipped with rainwater filtering device, the overpass flower case is equipped with rainfall irrigation device, and the viaduct bridge guardrail is equipped with controller；The signal output end of the controller is electrically connected with rotating electric machine one, rainwater inductor, rotating electric machine two, water circulating pump, blowdown control valve respectively.The invention has the advantages that of simple structure and strong practicability.
Description
Technical field
The present invention relates to hydraulic engineering field, especially a kind of overpass rainwater-collecting reuse means.
Background technique
Deck drainage system is in order to rapidly exclude bridge floor ponding, prevent rainwater from stagnating in bridge floor and penetrate into beam body and influence
The durability of bridge, in the design of bridge, on bridge floor in addition to setting in length and breadth slope draining, bridge floor needs to be arranged a certain number of
Water pouring pipeline, to form a complete drainage system, the pattern of weep pipe generally has metal weep pipe, and armored concrete rushes down
Water pipe, transverse drainage duct, closed drainage system are several.
In the prior art, such as Chinese patent 201120538793.4, patent overpass rainwater-collecting reuse means one
Kind irrigates the water-saving construction in greenery patches under bridge using overpass bridge floor rainwater；Technical points include reservoir, reservoir with it is overhead
Drainpipe piping connection on bridge, wherein the reservoir piping connection has irrigation pipe, irrigation pipe is distributed under overpass bridge
Afforested areas in, on the pipeline between irrigation pipe and reservoir be equipped with control valve；It is irrigated using overpass bridge floor rainwater
The water-saving construction in greenery patches under bridge；For Greenland Irrigation.
However, when in use, discharge outlet is exposed to outside, it is easy the blocking by sundries, to influence drainage system, is dropped
When rain, the rainwater fallen on overpass bridge floor is difficult to Collection utilization, contains a large amount of impurities in rainwater, without filtration treatment, holds
The ponding on bridge floor can not be discharged when rainfall is excessive in the blocking for easily causing pipeline in time.
Summary of the invention
The purpose of the present invention is to solve the above problems, devise a kind of overpass rainwater-collecting reuse means.
Realize above-mentioned purpose the technical scheme is that, a kind of overpass rainwater-collecting reuse means, including overhead
Bridge bridge floor and several viaduct piers positioned at overpass bridge floor bottom, which is characterized in that overpass bridge floor two sides are set
There is viaduct bridge guardrail, several overpass flower case is installed on viaduct bridge guardrail, the overpass bridge floor is equipped with rainwater
Collection device, the viaduct pier are equipped with rainwater filtering device, and the overpass flower case is equipped with rainfall irrigation device, institute
Viaduct bridge guardrail is stated equipped with controller；The signal output end of the controller respectively with rotating electric machine one, rainwater inductor, rotation
Rotating motor two, water circulating pump, blowdown control valve are electrically connected.
The rain collector includes the rhone that overpass bridge floor two sides are arranged in, and is equipped with barrier on rhone
Net；It is uniformly provided with several discharge outlet in the rhone, is fixedly installed with device for collecting rain water in discharge outlet, in device for collecting rain water
It is fixedly installed with one group of opposite bar shaped sliding slot on wall, sealing cover, the fixed peace of sealing cap upper surface are slidably fitted on bar shaped sliding slot
Equipped with rectangle rack gear；The device for collecting rain water side surface is fixedly installed with rotating electric machine one, one round end level court of rotating electric machine
Outside, one round end of rotating electric machine is fixedly installed with driving gear；The driving gear intermeshes with rectangle rack gear；The rainwater
Collector is equipped with rainwater inductor.
The rainwater filtering device includes the fixed drainage pipeline for being inserted into bottom in discharge outlet, and drainage pipeline is fixedly mounted
On viaduct pier side surface；The drainage pipeline corner is equipped with connecting pipe one, and drainage pipeline bottom is connected with row
Water vertical tube；Rainwater collection header is fixedly installed on the viaduct pier side surface, rainwater collection header is connected to vertical drain；Institute
It states to be equipped in rainwater collection header and rotates through filter cylinder, rotate through filter cylinder lower surface and be provided with circular through hole, be inlaid in circular through hole tight
Gu bearing, fastening bearing interpolation is equipped with transmission shaft, and transmission shaft bottom is fixedly installed with belt pulley one；Rainwater collection header side table
Face is fixedly installed with rotating electric machine two, and two round end of rotating electric machine is fixedly installed with belt pulley two；The belt pulley one and belt
Driving belt is set on wheel two；The filter cylinder inner wall that rotates through rotates through filter cylinder and is externally provided with liquid collecting equipped with impurity filtering net
Disk；The filter cylinder bottom that rotates through is fixedly connected with blow-off line, and blow-off line is equipped with blowdown control valve.
The rainfall irrigation device includes the circulation vertical tube being fixedly connected with catch tray, and circulation vertical tube is fixedly mounted on overhead
On bridge bridge pier side surface, recycles and water circulating pump is installed on vertical tube；The circulation riser upper end is connected with circulating water pipe, recirculated water
Pipe corner is equipped with connecting pipe two；It is fixedly installed with distributive pipe road on the overpass flower case, distributive pipe is uniformly set on road
There are several spray heads；The circulating water pipe is connected to distributive pipe road.
For the overpass bridge floor in intermediate height, both sides are low.
The rainwater inductor includes signal transmitting terminal and signal receiving end.
The drainage pipeline is fixedly mounted on viaduct pier side surface by anchor ear one；The circulating water pipe is by embracing
Hoop two is fixedly mounted on viaduct pier side surface.
The blow-off line is connected to external municipal drainage ditch；The blowdown control valve is solenoid valve；The rainwater-collecting
Case is equipped with level sensor；The controller and level sensor are electrically connected；When rainfall is excessive, in rainwater collection header
Level sensor detects and collects liquid level signal in rainwater collection header, and transmits signals to controller, controller control of sewage disposal
Control threshold switch.
The controller is equipped with function button and switching device.
The controller, which is equipped with, uses electrical interface, described to be electrically connected with electrical interface and external power supply.
The overpass rainwater-collecting reuse means made using technical solution of the present invention, by being located at overpass bridge floor
On rain collector, can prevent sundries from blocking discharge outlet, when rainfall, sealing cover can be automatically opened and be collected rainwater,
Rainwater filtering device can effectively filter impurities in water, when rainfall is excessive, the ponding on bridge floor can be discharged in time, rainwater fills
Irrigate the recycling that device realizes rainwater.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of overpass rainwater-collecting reuse means of the present invention；
Fig. 2 is rain collector schematic diagram of the present invention；
Fig. 3 is rainwater collection header schematic diagram of the present invention；
Fig. 4 is rainwater inductor schematic diagram of the present invention；
Fig. 5 is controller schematic diagram of the present invention；
In figure, 1, overpass bridge floor；2, viaduct pier；3, viaduct bridge guardrail；4, overpass flower case；5, controller；6,
Rhone；7, grille network；8, discharge outlet；9, device for collecting rain water；10, bar shaped sliding slot；11, sealing cover；12, rectangle rack gear；13, it revolves
Rotating motor one；14, driving gear；15, rainwater inductor；16, drainage pipeline；17, connecting pipe one；18, vertical drain；
19, rainwater collection header；20, filter cylinder is rotated through；21, circular through hole；22, bearing is fastened；23, transmission shaft；24, belt pulley one；25,
Rotating electric machine two；26, belt pulley two；27, driving belt；28, impurity filtering net；29, catch tray；30, blow-off line；31, dirty
Control valve；32, vertical tube is recycled；33, water circulating pump；34, circulating water pipe；35, connecting pipe two；36, distributive pipe road；37, it sprays
Head；38, signal transmitting terminal；39, signal receiving end；40, anchor ear one；42, anchor ear two；43, level sensor；44, function button；
45, switching device；46, electrical interface is used.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing, as shown in Figs. 1-5, a kind of overpass rainwater-collecting recycling
Device, in the present embodiment, in use, user turns on the switch dress by being electrically connected with electrical interface 46 and external power supply
Set 45,
Step 1: rainwater inductor 15 emits wire size, when detecting rainy, signal receiving end by signal transmitting terminal 38
39 receive signal, and controller 5 controls rotating electric machine 1 and starts to work, and rotating electric machine 1 drives the driving gear on round end
14, driving gear 14 intermeshes with rectangle rack gear 12, sealing cover 11 and bar shaped sliding slot 10, to realize the automatic of sealing cover 11
It opens, for overpass bridge floor 1 in intermediate height, both sides are low, and 1 rainwater of overpass bridge floor is flowed into rhone 6 by grille network 7, barrier
Net 7 removes the bulky grain sundries in rainwater, can prevent from resulting in blockage to drainage pipeline 16, the rainwater after prefiltration passes through rainwater
Collector 9 flows into drainage pipeline 16, and the sealing cover 11 in device for collecting rain water 9 is in close state usually, and sundries can be prevented stifled
Fill in discharge outlet；
Step 2: rainwater filtering device is started to work, the rainwater inflow in drainage pipeline 16 is rotated through in filter cylinder 20, is rotated
Motor 2 25 is started to work, and the belt pulley 2 26 on round end is driven, and belt pulley 2 26 drives belt pulley by driving belt 27
Transmission shaft 23 on one 24, the drive of transmission shaft 23 rotate through filter cylinder 20 and start to rotate, and under the influence of centrifugal force, rainwater passes through
Impurity filtering net 28 enters in catch tray 29, and the fine impurities in rainwater can effectively be filtered by crossing impurity filtering net 28, after filtering
Impurity fall into and rotate through bottom in filter cylinder 20, user can be rotated through in filter cylinder 20 by 31 periodic cleaning of blowdown control valve
Impurity, when rainfall is excessive, level sensor 43 detects and collects liquid level in rainwater collection header 19 and believes in rainwater collection header 19
Number, and controller 5 is transmitted signals to, the product on bridge floor can be discharged in 5 control of sewage disposal control valve 31 of controller switch in time
Water；
Step 3: rainfall irrigation device is started to work, filtered rainwater in catch tray 29 is evacuated to and follows by water circulating pump 33
In ring water pipe 34, circulating water pipe 34 is fixedly connected with distributive pipe road 36, and filtered rainwater is sprayed by spray head 37, realizes rain
The recycling of water can prevent sundries from blocking discharge outlet 8, rainfall by the rain collector being located on overpass bridge floor 1
When, sealing cover 11 can be automatically opened and be collected rainwater, rainwater filtering device can effectively filter impurities in water, and rainfall is excessive
When, the ponding on bridge floor can be discharged in time, rainfall irrigation device realizes the recycling of rainwater.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of overpass rainwater-collecting reuse means including overpass bridge floor (1) and is located at overpass bridge floor (1) bottom
Several viaduct piers (2), which is characterized in that overpass bridge floor (1) two sides are equipped with viaduct bridge guardrail (3), overpass
Several overpass flower case (4) is installed, the overpass bridge floor (1) is equipped with rain collector, institute on guardrail (3)
Viaduct pier (2) are stated equipped with rainwater filtering device, overpass flower case (4) is equipped with rainfall irrigation device, the height
Bridge formation guardrail (3) is equipped with controller (5)；The signal output end of the controller (5) incudes with rotating electric machine one, rainwater respectively
Device, rotating electric machine two, water circulating pump, blowdown control valve are electrically connected.
2. a kind of overpass rainwater-collecting reuse means according to claim 1, which is characterized in that the rainwater-collecting
Device includes rhone (6) of the setting in overpass bridge floor (1) two sides, is equipped with grille network (7) on rhone (6)；The row
Several discharge outlet (8) are uniformly provided in sink (6), are fixedly installed with device for collecting rain water (9), rainwater-collecting in discharge outlet (8)
It is fixedly installed on device (9) inner wall one group opposite bar shaped sliding slot (10), is slidably fitted with sealing cover (11) on bar shaped sliding slot (10),
Sealing cover (11) upper surface is fixedly installed with rectangle rack gear (12)；Device for collecting rain water (9) side surface is fixedly installed with rotation
Motor one (13), outwardly, rotating electric machine one (13) round end is fixedly installed with driving tooth to rotating electric machine one (13) round end level
It takes turns (14)；The driving gear (14) is intermeshed with rectangle rack gear (12)；The device for collecting rain water (9) incudes equipped with rainwater
Device (15).
3. a kind of overpass rainwater-collecting reuse means according to claim 1, which is characterized in that the dmp filter
Device includes the fixed drainage pipeline (16) for being inserted into discharge outlet (8) interior bottom, and drainage pipeline (16) is fixedly mounted on overpass
On bridge pier (2) side surface；Drainage pipeline (16) corner is equipped with connecting pipe one (17), and drainage pipeline (16) bottom connects
It is connected to vertical drain (18)；Rainwater collection header (19), rainwater collection header are fixedly installed on viaduct pier (2) side surface
(19) it is connected to vertical drain (18)；It is equipped in the rainwater collection header (19) and rotates through filter cylinder (20), rotate through filter cylinder (20)
Lower surface is provided with circular through hole (21), and fastening bearing (22) is inlaid in circular through hole (21), is fitted in fastening bearing (22)
Transmission shaft (23), transmission shaft (23) bottom are fixedly installed with belt pulley one (24)；Rainwater collection header (19) side surface is fixed
Rotating electric machine two (25) is installed, rotating electric machine two (25) round end is fixedly installed with belt pulley two (26)；The belt pulley one
(24) and on belt pulley two (26) driving belt (27) are set with；Filter cylinder (20) inner wall that rotates through is equipped with impurity filtering net
(28), it rotates through filter cylinder (20) and is externally provided with catch tray (29)；Described filter cylinder (20) bottom that rotates through is fixedly connected with blow-off line
(30), blow-off line (30) is equipped with blowdown control valve (31).
4. a kind of overpass rainwater-collecting reuse means according to claim 1, which is characterized in that the rainwater is irrigated
Device includes the circulation vertical tube (32) being fixedly connected with catch tray (29), and circulation vertical tube (32) is fixedly mounted on viaduct pier
(2) on side surface, water circulating pump (33) are installed in circulation vertical tube (32)；Circulation vertical tube (32) upper end is connected with recirculated water
It manages (34), circulating water pipe (34) corner is equipped with connecting pipe two (35)；It is fixedly installed on overpass flower case (4) point
Waterpipe (36) is uniformly provided with several spray heads (37) on distributive pipe road (36)；The circulating water pipe (34) and distributive pipe road
(36) it is connected to.
5. a kind of overpass rainwater-collecting reuse means according to claim 1, which is characterized in that the overpass bridge
In intermediate height, both sides are low in face (1).
6. a kind of overpass rainwater-collecting reuse means according to claim 2, which is characterized in that the rainwater induction
Device (15) includes signal transmitting terminal (38) and signal receiving end (39).
7. according to claim 3 and a kind of overpass rainwater-collecting reuse means as claimed in claim 4, which is characterized in that
The drainage pipeline (16) is fixedly mounted on viaduct pier (2) side surface by anchor ear one (40)；The circulating water pipe
(33) it is fixedly mounted on viaduct pier (2) side surface by anchor ear two (41).
8. a kind of overpass rainwater-collecting reuse means according to claim 3, which is characterized in that the blow-off line
(30) it is connected to outside municipal drainage ditch；The blowdown control valve (31) is solenoid valve；The rainwater collection header (19) is equipped with
Level sensor (43)；The controller (5) and level sensor (43) are electrically connected；When rainfall is excessive, rainwater-collecting
Case (19) interior level sensor (43) detects and collects rainwater collection header (19) interior liquid level signal, and transmits signals to controller
(5), controller (5) control of sewage disposal control valve (31) switchs.
9. a kind of overpass rainwater-collecting reuse means according to claim 1, which is characterized in that the controller
(5) function button (44) and switching device (45) are equipped with.
10. a kind of overpass rainwater-collecting reuse means according to claim 1, which is characterized in that the controller
(5) it is equipped with and uses electrical interface (46), it is described to be electrically connected with electrical interface (46) and external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206857.3A CN109338880A (en) | 2018-10-17 | 2018-10-17 | A kind of overpass rainwater-collecting reuse means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206857.3A CN109338880A (en) | 2018-10-17 | 2018-10-17 | A kind of overpass rainwater-collecting reuse means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109338880A true CN109338880A (en) | 2019-02-15 |
Family
ID=65310441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811206857.3A Pending CN109338880A (en) | 2018-10-17 | 2018-10-17 | A kind of overpass rainwater-collecting reuse means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109338880A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061430A (en) * | 2019-03-15 | 2019-07-26 | 朱瑶洁 | A kind of electric power box promoting dewdrop discharge based on wind speed |
| CN110983965A (en) * | 2019-12-25 | 2020-04-10 | 蔡路 | Ecological potted plant for urban viaduct guardrail |
| CN112853968A (en) * | 2021-04-06 | 2021-05-28 | 温茂彩 | Bridge engineering drainage structures |
| CN118065570A (en) * | 2024-04-18 | 2024-05-24 | 德州丽景园林绿化工程有限公司 | Building engineering waterproof construction |
-
2018
- 2018-10-17 CN CN201811206857.3A patent/CN109338880A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061430A (en) * | 2019-03-15 | 2019-07-26 | 朱瑶洁 | A kind of electric power box promoting dewdrop discharge based on wind speed |
| CN110983965A (en) * | 2019-12-25 | 2020-04-10 | 蔡路 | Ecological potted plant for urban viaduct guardrail |
| CN110983965B (en) * | 2019-12-25 | 2021-06-22 | 绍兴盛坤机械科技有限公司 | Ecological potted plant for urban viaduct guardrail |
| CN112853968A (en) * | 2021-04-06 | 2021-05-28 | 温茂彩 | Bridge engineering drainage structures |
| CN118065570A (en) * | 2024-04-18 | 2024-05-24 | 德州丽景园林绿化工程有限公司 | Building engineering waterproof construction |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190215 |
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| WD01 | Invention patent application deemed withdrawn after publication |