CN209974473U - Rainwater collection system - Google Patents
Rainwater collection system Download PDFInfo
- Publication number
- CN209974473U CN209974473U CN201920564042.6U CN201920564042U CN209974473U CN 209974473 U CN209974473 U CN 209974473U CN 201920564042 U CN201920564042 U CN 201920564042U CN 209974473 U CN209974473 U CN 209974473U
- Authority
- CN
- China
- Prior art keywords
- rainwater
- sewage
- tank
- water
- pump
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000010865 sewage Substances 0.000 claims abstract description 33
- 238000005189 flocculation Methods 0.000 claims abstract description 24
- 230000016615 flocculation Effects 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 239000000805 composite resin Substances 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 235000006650 Syzygium cordatum Nutrition 0.000 description 1
- 240000005572 Syzygium cordatum Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A rainwater collecting system comprises a rainwater collecting pipe, a rainwater collecting well, a sewage intercepting hanging basket device, a rainwater flow discarding device, a flocculation tank, a filtering tank, a water storage tank, a rainwater processor and constant-pressure and stable-pressure water supply equipment. The rainwater converging pipeline collects roof rainwater, ground rainwater and greenery patches rainwater in the rainwater collecting well, the rainwater collecting well is connected with the sewage interception hanging basket device, the rainwater is abandoned and is flowed the device and is hung the basket device with the sewage interception and be connected, rainwater is abandoned and is flowed device, flocculation basin, filtering ponds and water storage tank and loop through the pipeline and link to each other, flocculation basin, filtering ponds and cistern bury in the underground, the rainwater processor links to each other with the water storage tank, constant voltage steady voltage water supply equipment is connected with the rainwater processor, rainwater processor and constant voltage steady voltage water supply equipment locate ground. The rainwater can be deeply purified through the sewage-intercepting hanging basket device, flocculation, filtration and disinfection of the rainwater treatment machine, the obtained water quality is cleaner, and a large amount of water resources are saved.
Description
Technical Field
The utility model relates to a retrieval and utilization field is collected to the rainwater, especially relates to a retrieval and utilization system is collected to rainwater.
Background
Sponge city, as the name implies just support the city that the sponge is the same, can collect, impound and purify the rainfall rainwater in the city in rainy season, when needing the water resource, releases the water resource of having saved and utilizes.
In most cities of China, 50% of water is deficient or even serious water is deficient, and the utilization of water resources, particularly rainwater resources, is an important way for effectively solving the problem of urban water resource shortage. Rainwater is an important resource, the rainwater can water trees, flowers and plants when falling into the ground, the rainwater can supplement underground water when permeating into the ground, and the rainwater can supplement the water quantity of rivers and lakes when falling into the rivers and lakes. The rainwater resources are reused, the rainwater resources are firstly required to be collected and stored, and the rainwater storage project can effectively recycle the rainwater, so that the problem of water resource shortage is solved. However, most of the existing rainwater storage systems are used for building a sunken green land in urban greening, wherein the ground is higher than the green land, and rainwater retention facilities are designed in the green land. The urban green land and the lawn can absorb rainwater more through the planning and construction of urban greening such as public green land, unit affiliated green land, residential green land, protection green land, finished green land, windfarm green land, road green land and the like in urban planning. However, all of these plans are solutions for urban rainwater storage, which results in rainwater being discharged again after rainwater is stored, and the value that rainwater can be reused is not reflected. Along with the development of cities, water resources on the earth are in shortage, water conservation is not slow, rain sewage in urban green areas is effectively utilized, and the method is an effective way for solving the water resource shortage. However, there is currently no reasonable urban planning of a complete system for the utilization of rain sewage. When a large amount of rainfall is carried out, drainage is carried out by adopting modes such as a pump and the like, or the traditional mode causes that drainage cannot be carried out in time, and waste is caused to water resources. In order to save water resources, the water resources are fully utilized, and rainwater is collected, treated and reused to form a sustainable road.
Disclosure of Invention
The utility model discloses a do not emphasize the rainwater in the design to current and collect the retrieval and utilization, provide a rainwater collecting system, this system collects the rainwater for rainwater cyclic utilization has reduced view water and has watered flowers and plants trees water cost. In addition, the water consumption in the municipal tap water pipe network is reduced, and the water resource is saved.
The utility model discloses a realize through following technical scheme:
a rainwater collecting system comprises a rainwater collecting pipe, a rainwater collecting well, a sewage intercepting hanging basket device, a rainwater flow discarding device, a flocculation tank, a filtering tank, a water storage tank, a rainwater processor and constant-pressure and stable-pressure water supply equipment. The rainwater collecting pipeline collects roof rainwater, ground rainwater and greenbelt rainwater into a rainwater collecting well, the rainwater collecting well is connected with a sewage intercepting hanging basket device, the rainwater flow abandoning device is connected with the sewage intercepting hanging basket device, a rainwater flow abandoning blow-off pipe is connected with a municipal sewage pipeline, the rainwater flow abandoning device, a flocculation tank, a filtering tank and a water storage tank are sequentially connected through pipelines, a chemical tank is arranged at the top of the flocculation tank and connected with the flocculation tank through a pipeline, a liquid level sensor is arranged on the water storage tank and connected with a control cabinet, the control cabinet is connected with a reservoir sewage pump, a reservoir lifting pump and a tap water control valve, when the liquid level sensor is at a low liquid level, the reservoir lifting pump stops running, when the liquid level sensor is at a high liquid level, the lifting pump starts running, the sewage pump manually controls the reservoir according to the sedimentation amount, flocculation basin, filtering ponds and cistern bury in the underground, rainwater processor links to each other with the retaining jar, constant voltage steady voltage water supply equipment is connected with rainwater processor, constant voltage steady voltage water supply equipment connects each supply point, ground is located to rainwater processor and constant voltage steady voltage water supply equipment.
Furthermore, the upper portion of rainwater collecting well is equipped with the overflow pipe, and the overflow pipe links to each other with municipal administration downspout.
Further, cut dirty basket device of hanging adopts the PE shell, cut dirty basket device bottom and be equipped with 304 hand-baskets and filter screens, be equipped with the handle on this hand-basket.
Further, it is equipped with compound resin well lid to intercept dirty basket device and rainwater and abandon a class device well head, it is equipped with anti-falling facility to intercept dirty basket device and rainwater and abandon a class device well lid, it abandons class device road surface system from top to bottom concrete walling crib, C20 plain concrete, concrete foundation, rubble bed course to intercept dirty basket device.
Further, the drain pipe of the rainwater flow abandoning device is positioned at the bottom of the device.
Furthermore, the filtering layer in the filtering pond comprises two biochemical cotton layers and one activated carbon layer, and the activated carbon layer is arranged between the two biochemical cotton layers.
Furthermore, the cistern dredge pump is connected with municipal sewage pipes, the cistern elevator pump passes through the pipeline and is connected with the rainwater processor, the cistern dredge pump must not start when level sensor is low liquid level.
Furthermore, the control cabinet is provided with a remote signal remote transmission interface, and all equipment displays operation and gives an alarm in time when a fault occurs.
Further, constant pressure steady voltage water supply equipment includes water pump and surge tank, and when the pipe network reached certain pressure, the water pump started.
The utility model provides a rainwater collection system, this system can collect the rainwater that falls into, can in time get rid of the surface ponding, the trip of being convenient for. This system rainwater is through rainwater collection well, get into in proper order and cut dirty string basket device, the class device is abandoned to the rainwater, the flocculation basin, filtering ponds and water storage tank, the device is located the underground, and then does not occupy the earth's surface space, ground is located to rainwater processor and constant voltage steady voltage water supply equipment, the convenient maintenance, the rainwater is through cutting dirty string basket device, flocculation, the filtration and the disinfection of rainwater processor, can carry out deep purification with the rainwater, it is cleaner to obtain comparison quality of water, can be used to the carwash, the view water, the afforestation water, wash lavatory etc.. A large amount of water resources are saved, and the water resources are fully utilized.
Drawings
FIG. 1 is a plan view of a rainwater collection system;
FIG. 2 is a cross-sectional view of the sewage intercepting hanging basket device;
FIG. 3 is a cross-sectional view of a rainwater drainage device;
FIG. 4 is a control cabinet control diagram;
the meaning of the reference symbols in the figures: 1-a rainwater collecting pipe, 2-a rainwater collecting well, 201-an overflow pipe, 3-a sewage intercepting hanging basket device, 301-a lifting basket, 302-a filter screen, 303-a lifting handle, 4-a rainwater discarding device, 401-a sewage discharge pipe, 5-a flocculation tank, 501-a medicament box, 6-a filter tank, 601-a biochemical cotton layer, 602-an activated carbon layer, 7-water storage tank, 701-liquid level sensor, 702-control cabinet, 703-water storage tank sewage pump, 704-water storage tank lifting pump, 8-rainwater treatment machine, 9-constant pressure and pressure stabilization water supply equipment, 901-water pump, 902-pressure stabilization tank, 10-composite resin well cover, 11-concrete well ring, 12-C20 plain concrete, 13-concrete foundation and 14-gravel cushion layer.
Detailed Description
The utility model provides a rainwater collection system, this system includes rainwater manifold 1, rainwater collection well 2, cuts dirty string basket device 3, rainwater abandons class device 4, flocculation basin 5, filtering ponds 6, water storage tank 7, rainwater processor 8, constant voltage steady voltage water supply equipment 9. A rainwater collecting pipe 1 collects roof rainwater, ground rainwater and green land rainwater into a rainwater collecting well 2, the rainwater collecting well 2 is connected with a sewage intercepting hanging basket device 3, the rainwater abandoning device 3 is connected with a sewage intercepting hanging basket device 4, a rainwater abandoning drainage pipe 401 is connected with a municipal drainage pipeline, the rainwater abandoning device 4, a flocculation tank 5, a filtering tank 6 and a water storage tank 7 are sequentially connected through pipelines, a chemical tank 501 is arranged at the top of the flocculation tank 5, the chemical tank 501 is connected with the flocculation tank 5 through a pipeline, a flocculating agent is filled in the chemical tank, a liquid level sensor 701 is arranged on the water storage tank 7, the liquid level sensor 701 is connected with a control cabinet 702, the control cabinet 702 is connected with a reservoir drainage pump 703, a reservoir lifting pump 704 and a running water control valve 705, and when the liquid level sensor 701 is at a low liquid level, the reservoir lifting pump 704 stops running, tap water control valve 705 is opened and is carried out the supply, and when level sensor 701 was the high liquid level, cistern elevator pump 704 began to operate, and cistern dredge pump 703 is according to cistern precipitation amount manual control, flocculation basin 5, filtering ponds 6 and cistern 7 bury in the underground, rainwater processor 8 links to each other with water storage tank 7, constant voltage steady voltage water supply equipment 9 is connected with rainwater processor 8, constant voltage steady voltage water supply equipment connects each supply point, rainwater processor 8 and constant voltage steady voltage water supply equipment 9 locate ground.
Further, the upper portion of rainwater collecting well 2 is equipped with overflow pipe 201, and overflow pipe 201 links to each other with municipal rainwater pipe.
Further, cut dirty basket device 3 and adopt the PE shell of hanging, cut dirty basket device bottom and be equipped with 304 stainless steel hand-baskets 301 and filter screen 302, be equipped with handle 303 on this hand-basket 301.
Further, it is equipped with compound resin well lid 10 to cut dirty basket device 3 and 4 wellheads of class device are abandoned to rainwater, it is equipped with the facility of preventing falling to cut dirty basket device 3 and 4 wellheads of class device are abandoned to rainwater, it abandons class device 4 road surface system from top to bottom concrete walling 11, C20 plain concrete 12, concrete foundation 13, rubble bed course 14 to cut dirty basket device 3 and rainwater.
Further, the drain pipe 401 of the rainwater discarding device 4 is positioned at the bottom of the device.
Further, the filtering layer in the filtering tank 6 comprises two biochemical cotton layers 601 and one activated carbon layer 602, and the activated carbon layer 602 is arranged between the two biochemical cotton layers 601.
Further, the reservoir sewage pump 703 is connected to a municipal sewage pipe, the reservoir lift pump 704 is connected to the rainwater processor 8 through a pipe, and the reservoir sewage pump 703 must not be started when the liquid level sensor 701 is at a low liquid level.
Further, the control cabinet 702 is provided with a remote signal remote transmission interface, and all devices display operation and alarm in time when in fault.
Further, the constant-pressure and pressure-stabilizing water supply equipment 9 includes a water pump 901 and a pressure-stabilizing tank 902, and when the pipe network reaches a certain pressure, the water pump 901 is started.
The utility model provides a rainwater collection system, this system can collect the rainwater that falls into, can in time get rid of the surface ponding, the trip of being convenient for. This system rainwater is through rainwater collection well, get into in proper order and cut dirty string basket device, the class device is abandoned to the rainwater, the flocculation basin, filtering ponds and water storage tank, the device is located the underground, and then does not occupy the earth's surface space, ground is located to rainwater processor and constant voltage steady voltage water supply equipment, the convenient maintenance, the rainwater is through cutting dirty string basket device, flocculation, the filtration and the disinfection of rainwater processor, can carry out deep purification with the rainwater, it is cleaner to obtain comparison quality of water, can be used to the carwash, the view water, the afforestation water, wash lavatory etc.. A large amount of water resources are saved, and the water resources are fully utilized.
Claims (9)
1. A rainwater collection system comprises a rainwater collecting pipe, a rainwater collection well, a sewage interception hanging basket device, a rainwater discarding device, a flocculation tank, a filtering tank, a water storage tank, a rainwater treatment machine and constant-pressure and stable-pressure water supply equipment and is characterized in that the rainwater collecting pipe collects roof rainwater, ground rainwater and greenbelt rainwater into the rainwater collection well, the rainwater collection well is connected with the sewage interception hanging basket device, the rainwater discarding device is connected with the sewage interception hanging basket device, a rainwater discarding blow-off pipe is connected with a municipal sewage discharge pipeline, the rainwater discarding device, the flocculation tank, the filtering tank and the water storage tank are sequentially connected through pipelines, a chemical tank is arranged at the top of the flocculation tank and connected with the flocculation tank through a pipeline, a liquid level sensor is arranged on the water storage tank and connected with a control cabinet, and a impounding reservoir pump are connected with the control cabinet, The cistern elevator pump is connected with the running water control valve, and when level sensor was low liquid level, the cistern elevator pump shutdown, the running water carried out the supply, and when the cistern liquid level was high liquid level, the cistern elevator pump began to operate, and the cistern dredge pump is according to cistern precipitation manual control, flocculation basin, filtering ponds and cistern bury in the underground, the rainwater processor links to each other with the retaining jar, constant voltage steady voltage water supply equipment is connected with the rainwater processor, constant voltage steady voltage water supply equipment connects each supply point, rainwater processor and constant voltage steady voltage water supply equipment locate ground.
2. The rainwater collection system according to claim 1, wherein the rainwater collection well is provided with an overflow pipe at an upper portion thereof, and the overflow pipe is connected to a municipal rainwater pipe.
3. The rainwater collecting system according to claim 1, wherein said sewage intercepting hanging basket device is made of PE shell, and said sewage intercepting hanging basket device is provided with 304 basket and filtering net at the bottom, and said basket is provided with handle.
4. The rainwater collection system according to claim 1, wherein said sewage interception basket device and said rainwater drainage device are provided with composite resin well covers at well mouths, said sewage interception basket device and said rainwater drainage device well covers are provided with anti-falling facilities, and said sewage interception basket device and said rainwater drainage device road surface system comprises concrete well rings, C20 plain concrete, concrete foundations and gravel cushions from top to bottom.
5. A rainwater collection system according to claim 1 wherein said rainwater runoff means drain is located at the base of the apparatus.
6. The rainwater collection system according to claim 1, wherein said filter layer in said filter tank comprises two layers of bio-chemical cotton and one layer of activated carbon, said activated carbon being disposed between said two layers of bio-chemical cotton.
7. The rainwater collection system according to claim 1, wherein said impounding reservoir sewage pump is connected to a municipal sewage pipe, said impounding reservoir lift pump is connected to a rainwater processor by a pipe, said impounding reservoir sewage pump must not be activated when the level sensor is at a low level.
8. A rainwater collection system according to claim 1 wherein said control cabinet is provided with a remote signal remote interface, all devices displaying operation and fault timely alarms.
9. A rainwater collection system according to claim 1 wherein said constant pressure and pressure water supply means includes a water pump and a pressure tank, said water pump being activated when the pressure in the pipe network reaches a certain level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564042.6U CN209974473U (en) | 2019-04-24 | 2019-04-24 | Rainwater collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564042.6U CN209974473U (en) | 2019-04-24 | 2019-04-24 | Rainwater collection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209974473U true CN209974473U (en) | 2020-01-21 |
Family
ID=69259234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920564042.6U Active CN209974473U (en) | 2019-04-24 | 2019-04-24 | Rainwater collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209974473U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255011A (en) * | 2020-03-14 | 2020-06-09 | 山西四建集团有限公司 | Sponge urban drainage and seepage structure, rainwater collection and utilization system and working method thereof |
| CN111270747A (en) * | 2020-03-12 | 2020-06-12 | 广东晨工环保工程实业有限公司 | a rainwater collection system |
| CN111305317A (en) * | 2020-04-01 | 2020-06-19 | 广东晨工环保工程实业有限公司 | Intelligent RPC active steel-concrete prefabricated rainwater collection system |
| CN111395098A (en) * | 2020-03-02 | 2020-07-10 | 武汉大学 | Priority flow channel catchment structure |
| CN112112222A (en) * | 2020-08-25 | 2020-12-22 | 深圳市深水环境科技有限公司 | A sewage interception box culvert water intake system |
| CN113550376A (en) * | 2021-07-26 | 2021-10-26 | 中国华西企业股份有限公司 | Rainwater recycling system and method |
-
2019
- 2019-04-24 CN CN201920564042.6U patent/CN209974473U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395098A (en) * | 2020-03-02 | 2020-07-10 | 武汉大学 | Priority flow channel catchment structure |
| CN111270747A (en) * | 2020-03-12 | 2020-06-12 | 广东晨工环保工程实业有限公司 | a rainwater collection system |
| CN111255011A (en) * | 2020-03-14 | 2020-06-09 | 山西四建集团有限公司 | Sponge urban drainage and seepage structure, rainwater collection and utilization system and working method thereof |
| CN111305317A (en) * | 2020-04-01 | 2020-06-19 | 广东晨工环保工程实业有限公司 | Intelligent RPC active steel-concrete prefabricated rainwater collection system |
| CN112112222A (en) * | 2020-08-25 | 2020-12-22 | 深圳市深水环境科技有限公司 | A sewage interception box culvert water intake system |
| CN113550376A (en) * | 2021-07-26 | 2021-10-26 | 中国华西企业股份有限公司 | Rainwater recycling system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209974473U (en) | Rainwater collection system | |
| CN113175050B (en) | A Sponge City Rainwater Collection and Utilization System | |
| CN110042724B (en) | Rainwater collecting, utilizing and discharging system for sponge facilities in collapsible loess area | |
| CN207538161U (en) | A kind of underground engineering top plate siphon drainage collection system | |
| CN209686564U (en) | A kind of small sponge urban ecology rainwater storage cell system | |
| CN204252206U (en) | Community wastewater circulation and rainwater catchment system equipment | |
| CN104372845B (en) | A treatment device for initial runoff rainwater interception on urban pavement | |
| CN105735405B (en) | A kind of rainwater collecting and treating system on building roof | |
| CN109386022A (en) | A kind of water storage reclamation set of rain water on roof disconnecting | |
| CN106337484A (en) | Water seepage and flood drainage system based on sponge city | |
| CN106351308A (en) | Urban trunk road rainwater collection utilization system | |
| CN210712413U (en) | Permeable pavement sunken type green belt filtering, draining and storing system | |
| CN107060034A (en) | A kind of urban road integration row oozes system and its construction method | |
| CN219196145U (en) | Drainage and water storage structure for flood control and management of green mine | |
| CN108625453A (en) | Skyscraper sponge City complex system | |
| CN208898678U (en) | A rainwater collection device | |
| CN106193186A (en) | A kind of residential block is combined rainwater management system | |
| CN210202763U (en) | A Sponge City Green Belt | |
| CN219343420U (en) | Integrated finished sponge urban drainage collection system for overhead overpass | |
| CN218126031U (en) | Sponge city is with festival drainage and irrigation system | |
| CN206052852U (en) | A kind of residential block is combined rainwater management system | |
| CN210916859U (en) | Rainwater collecting, utilizing and discharging system for road sponge facilities in collapsible loess areas | |
| CN210713153U (en) | Back flush rainwater regulation pond | |
| CN212640225U (en) | A percolation tank using rainwater and river overflow | |
| CN114635484A (en) | Sponge city drainage system convenient to maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |