CN209816968U - Rainwater collection device for municipal garden - Google Patents

Rainwater collection device for municipal garden Download PDF

Info

Publication number
CN209816968U
CN209816968U CN201920203351.0U CN201920203351U CN209816968U CN 209816968 U CN209816968 U CN 209816968U CN 201920203351 U CN201920203351 U CN 201920203351U CN 209816968 U CN209816968 U CN 209816968U
Authority
CN
China
Prior art keywords
fixedly connected
plate
collecting box
rose box
collection device
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
Application number
CN201920203351.0U
Other languages
Chinese (zh)
Inventor
刘蓉
孙利国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Environmental Investment And Greening Engineering Co Ltd
Original Assignee
Tianjin Environmental Investment And Greening Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Environmental Investment And Greening Engineering Co Ltd filed Critical Tianjin Environmental Investment And Greening Engineering Co Ltd
Priority to CN201920203351.0U priority Critical patent/CN209816968U/en
Application granted granted Critical
Publication of CN209816968U publication Critical patent/CN209816968U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The utility model discloses a rainwater collection device for municipal garden, the collecting box comprises a collecting box body, the top fixedly connected with rose box of collecting box, the delivery port has been seted up to the bottom of rose box, two installation mechanisms of the inner chamber fixedly connected with of rose box, the fixedly connected with filter screen between two relative one sides of installation mechanism, the inner chamber fixedly connected with sprinkling mechanism of collecting box. The utility model discloses a set up the collecting box, spraying mechanism, installation mechanism, the rose box, push away the handle, the bottom plate, the universal wheel, the baffle, the pipe absorbs water, the water pump, the outlet pipe, the shower nozzle, the filter screen, the delivery port, a housing, the second connecting block, the movable rod, first connecting block, the slide, the spacing groove, the limiting plate, the telescopic link, the fixed plate, the sliding sleeve, the fixed block, the thread bush, the threaded rod, the cooperation of handle and slide bar is used, it does not possess the problem that the filter screen caused inconvenient user's use of being convenient for to change to have solved current rainwater collection device for.

Description

Rainwater collection device for municipal garden
Technical Field
The utility model relates to a technical field is collected to the rainwater, specifically is a rainwater collection device for municipal garden.
Background
The garden refers to a beautiful natural environment and a rest region which are created by applying engineering technology and artistic means in a certain region and by modifying the terrain or further building mountains, stacking stones, managing water, planting trees, flowers and plants, building buildings, arranging garden roads and the like.
In the aspect of municipal garden planting, people can arrange a rainwater collecting device in a garden in order to comprehensively utilize rainwater resources and save water, and when the general rainwater collecting device is used, in order to prevent sundries in gardens from falling into the interior of the collecting box in the rainy day, a filtering mechanism is arranged above the rainwater collecting box, therefore, the sundries floating in the air can be filtered in the process of collecting the rainwater, so that the collected rainwater can not be polluted by the sundries, however, the filtering mechanism in the traditional rainwater collecting device is generally fixedly connected above the collecting box through screws, when people need to clean or replace the screen plate, people need to manually disassemble the screen plate, which wastes time and physical strength of people, thereby it is inconvenient to bring when dismantling the otter board for people, has reduced municipal garden and has used rainwater collection device's practicality, and the person of not being convenient for uses.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rainwater collection device for municipal garden possesses the change filter screen of being convenient for, and the advantage that the person of facilitating the use used has solved current rainwater collection device for municipal garden does not possess and is convenient for change the filter screen and cause the problem that the person of not being convenient for to use used.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rainwater collection device for municipal garden, includes the collecting box, the top fixedly connected with rose box of collecting box, the delivery port has been seted up to the bottom of rose box, two installation mechanisms of the inner chamber fixedly connected with of rose box, fixedly connected with filter screen between two relative one sides of installation mechanism, the inner chamber fixedly connected with of collecting box sprays the mechanism, the bottom fixedly connected with bottom plate of collecting box, the equal fixedly connected with universal wheel in four corners of bottom plate bottom, the left top fixedly connected with of collecting box pushes away the handle.
Preferably, the mounting mechanism comprises a shell, one side of the shell, which is close to the inner wall of the filter box, is fixedly connected with the inner wall of the filter box, the bottoms of the opposite sides of the two shells are movably connected with a threaded rod, one side of the opposite sides of the threaded rod is fixedly connected with a handle, the bottom of the inner cavity of the shell is fixedly connected with a fixed plate, one side of the threaded rod, which is far away from the handle, penetrates through the inner cavity of the shell and is movably connected with the fixed plate, the surface thread of the threaded rod is connected with a threaded sleeve, the top of the threaded sleeve is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a sliding sleeve, the inner wall of the sliding sleeve is movably connected with a sliding rod, the two sides of the sliding rod are respectively fixedly connected with the inner wall of the shell and the fixed plate, the top of the sliding sleeve is fixedly, the inner chamber fixedly connected with slide of casing, the top and the slide fixed connection of second connecting block, the bottom fixedly connected with limiting plate of slide, the equal fixedly connected with telescopic link in both sides of filter screen, one side that the telescopic link is close to the casing runs through to the inner chamber of casing, the limiting groove that uses with the limiting plate cooperation is seted up to one side that the telescopic link is close to the limiting plate.
Preferably, the spraying mechanism comprises a partition plate and a water pump, the top and the bottom of the partition plate are respectively fixedly connected with the bottom of the filter box and the inner wall of the collecting box, one side of the water pump close to the partition plate is fixedly connected with the partition plate, one side of the water pump far away from the partition plate is fixedly connected with the inner wall of the collecting box, the bottom of the water pump is communicated with a water suction pipe, one side of the water suction pipe far away from the water pump penetrates through the left side of the partition plate, the top of the water pump is communicated with a water outlet pipe, and one side of the water outlet pipe far away from the water pump penetrates through.
Preferably, the bottom of the mounting mechanism is fixedly connected with a bearing plate, one side of the bearing plate, which is close to the inner wall of the filter box, is fixedly connected with the inner wall of the filter box, and two sides of the inner cavity bottom of the filter box are fixedly connected with guide plates matched with the water outlet for use.
Preferably, the sliding blocks are fixedly connected to two sides of the sliding plate, sliding grooves matched with the sliding blocks are formed in two sides of the inner cavity of the shell, and one side, close to the fixed plate, of the threaded rod is movably connected with the fixed plate through a bearing seat.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up the collecting box, spraying mechanism, installation mechanism, the rose box, push away the handle, the bottom plate, the universal wheel, the baffle, the pipe absorbs water, the water pump, the outlet pipe, the shower nozzle, the filter screen, the delivery port, a housing, the second connecting block, the movable rod, first connecting block, the slide, the spacing groove, the limiting plate, the telescopic link, the fixed plate, the sliding sleeve, the fixed block, the thread bush, the threaded rod, the cooperation of handle and slide bar is used, it does not possess the problem that the filter screen caused inconvenient user's use of being convenient for to change to have solved current rainwater collection device for.
2. The utility model discloses a set up installation mechanism, the effectual installation and the dismantlement that has realized making things convenient for the filter screen, made things convenient for the user to use, through setting up the bearing plate, the effectual fixed action of realizing the casing, the stability of casing has been increased, through setting up the guide plate, the effectual guide effect of realizing rivers, use through the cooperation that sets up slider and spout, the effectual stability when having increased the slide and removing, and realized the restriction to the slide removal orbit, through setting up the bearing frame, the effectual stability when having increased the threaded rod and rotating, and reduced the frictional force between threaded rod and the fixed plate, through setting up sprinkler structure, the effectual user of having made things convenient for sprays gardens, the person of facilitating the use uses.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the present invention in partial structure;
fig. 3 is a sectional view of the mounting mechanism of the present invention.
In the figure: the device comprises a collecting box 1, a spraying mechanism 2, a mounting mechanism 3, a filter box 4, a pushing handle 5, a bottom plate 6, a universal wheel 7, a partition plate 8, a water suction pipe 9, a water pump 10, a water outlet pipe 11, a spray head 12, a filter screen 13, a water outlet 14, a shell 15, a second connecting block 16, a movable rod 17, a first connecting block 18, a sliding plate 19, a limiting groove 20, a limiting plate 21, a telescopic rod 22, a fixing plate 23, a sliding sleeve 24, a fixing block 25, a threaded sleeve 26, a threaded rod 27, a handle 28 and a sliding rod 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a rainwater collecting device for municipal gardens comprises a collecting box 1, a filter tank 4 is fixedly connected to the top of the collecting box 1, a water outlet 14 is formed in the bottom of the filter tank 4, two mounting mechanisms 3 are fixedly connected to the inner cavity of the filter tank 4, each mounting mechanism 3 comprises a housing 15, one side of each housing 15 close to the inner wall of the filter tank 4 is fixedly connected to the inner wall of the filter tank 4, threaded rods 27 are movably connected to the bottoms of the opposite sides of the two housings 15, handles 28 are fixedly connected to the opposite sides of the two threaded rods 27, a fixing plate 23 is fixedly connected to the bottom of the inner cavity of the housing 15, one side of each threaded rod 27 far away from the corresponding handle 28 penetrates through the inner cavity of the housing 15 and is movably connected to the fixing plate 23, a threaded sleeve 26 is connected to the surface of the threaded rod 27 through thread, the inner wall of the sliding sleeve 24 is movably connected with a sliding rod 29, two sides of the sliding rod 29 are respectively fixedly connected with the inner wall of the shell 15 and the fixed plate 23, the top of the sliding sleeve 24 is fixedly connected with a first connecting block 18, the top of the first connecting block 18 is movably connected with a movable rod 17, one side of the movable rod 17 far away from the first connecting block 18 is movably connected with a second connecting block 16, the inner cavity of the shell 15 is fixedly connected with a sliding plate 19, two sides of the sliding plate 19 are both fixedly connected with sliding blocks, two sides of the inner cavity of the shell 15 are both provided with sliding grooves matched with the sliding blocks, one side of the threaded rod 27 close to the fixed plate 23 is movably connected with the fixed plate 23 through a bearing seat, the top of the second connecting block 16 is fixedly connected with the sliding plate 19, the bottom of the sliding plate 19 is fixedly connected with a limiting, one side of the telescopic rod 22 close to the limit plate 21 is provided with a limit groove 20 matched with the limit plate 21 for use, the bottom of the mounting mechanism 3 is fixedly connected with a bearing plate, one side of the bearing plate close to the inner wall of the filter box 4 is fixedly connected with the inner wall of the filter box 4, both sides of the bottom of the inner cavity of the filter box 4 are fixedly connected with guide plates matched with the water outlet 14 for use, a filter screen 13 is fixedly connected between one sides of the two mounting mechanisms 3 opposite to each other, the inner cavity of the collecting box 1 is fixedly connected with a spraying mechanism 2, the spraying mechanism 2 comprises a partition plate 8 and a water pump 10, the top and the bottom of the partition plate 8 are respectively fixedly connected with the bottom of the filter box 4 and the inner wall of the collecting box 1, one side of the water pump 10 close to the partition plate 8 is fixedly connected with the inner wall of the collecting box 1, one side of the water, the top of the water pump 10 is communicated with a water outlet pipe 11, one side of the water outlet pipe 11, which is far away from the water pump 10, penetrates to the outer side of the collecting box 1 and is communicated with a spray head 12, the bottom of the collecting box 1 is fixedly connected with a bottom plate 6, four corners of the bottom plate 6 are fixedly connected with universal wheels 7, the left top of the collecting box 1 is fixedly connected with a pushing handle 5, through the arrangement of the mounting mechanism 3, the convenience for mounting and dismounting the filter screen 13 is effectively realized, the convenience for a user to use is brought, through the arrangement of a bearing plate, the fixing effect on the shell 15 is effectively realized, the stability of the shell 15 is increased, through the arrangement of a guide plate, the guide effect on water flow is effectively realized, through the arrangement of a sliding block and a sliding groove in cooperation use, the stability of the sliding plate 19 during moving is effectively increased, the, and reduced the frictional force between threaded rod 27 and the fixed plate 23, through setting up spraying mechanism 2, the effectual user that has made things convenient for sprays gardens, the person of facilitating the use uses, through setting up collecting box 1, spraying mechanism 2, installation mechanism 3, rose box 4, push away 5, bottom plate 6, universal wheel 7, baffle 8, suction tube 9, water pump 10, outlet pipe 11, shower nozzle 12, filter screen 13, delivery port 14, casing 15, second connecting block 16, movable rod 17, first connecting block 18, slide 19, spacing groove 20, limiting plate 21, telescopic link 22, fixed plate 23, sliding sleeve 24, fixed block 25, thread bush 26, threaded rod 27, handle 28 and slide bar 29's cooperation is used, the problem of current rainwater collection device for the municipal garden does not possess the change of being convenient for the filter screen and cause not convenient for the user to use has been solved.
When the rain water spraying device is used, rain water falls into an inner cavity of the filter box 4, after being filtered by the filter screen 13, the rain water falls into an inner cavity of the collection box 1 through the water outlet 14, a water source is conveyed into the water outlet pipe 11 through the water suction pipe 9 by the operation of the water pump 10, is conveyed to the spray head 12 through the water outlet pipe 11, and is sprayed out through the spray head 12 to spray gardens, so that a user can conveniently use the rain water spraying device, the user pushes the push handle 5 to drive the bottom plate 6 to move in cooperation with the universal wheel 7 by pushing the push handle 5, the spray is carried out by moving, when the filter screen 13 needs to be replaced or cleaned, the user drives the threaded rod 27 to rotate by rotating the handle 28, the threaded rod 27 drives the threaded sleeve 26 to rotate, the threaded sleeve 26 drives the fixed block 25 to move, the fixed block 25 drives the sliding sleeve 24 to slide on the surface of the sliding rod 29, the sliding sleeve 24, the movable rod 17 drives the removal of second connecting block 16 through the pivot, and second connecting block 16 drives the removal of slide 19, and slide 19 drives limiting plate 21 and removes the inner chamber of spacing groove 20, and telescopic link 22 returns the outside of contracting to casing 15, realizes dismantling filter screen 13, otherwise then the person of facilitating the use installs filter screen 13, has improved this rainwater collection device for municipal garden's practicality, and the person of facilitating the use uses.
In summary, the following steps: this rainwater collection device for municipal garden, through setting up collecting box 1, sprinkling mechanism 2, installation mechanism 3, rose box 4, push away 5, bottom plate 6, universal wheel 7, baffle 8, the pipe 9 that absorbs water, water pump 10, outlet pipe 11, shower nozzle 12, filter screen 13, delivery port 14, casing 15, second connecting block 16, movable rod 17, first connecting block 18, slide 19, spacing groove 20, limiting plate 21, telescopic link 22, fixed plate 23, sliding sleeve 24, fixed block 25, thread bush 26, threaded rod 27, the cooperation of handle 28 and slide bar 29 is used, the problem that current rainwater collection device for municipal garden does not possess the filter screen of being convenient for to change and cause not convenient to use of user is solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a rainwater collection device for municipal garden, includes collecting box (1), its characterized in that: the top fixedly connected with rose box (4) of collecting box (1), delivery port (14) have been seted up to the bottom of rose box (4), two installation mechanism (3) of inner chamber fixedly connected with of rose box (4), fixedly connected with filter screen (13) between the relative one side of two installation mechanism (3), the inner chamber fixedly connected with of collecting box (1) sprays mechanism (2), the bottom fixedly connected with bottom plate (6) of collecting box (1), the equal fixedly connected with universal wheel (7) in four corners of bottom plate (6) bottom, the left top fixedly connected with of collecting box (1) pushes away handle (5).
2. The rainwater collection device for municipal gardens according to claim 1, wherein: installation mechanism (3) includes casing (15), casing (15) are close to the inner wall fixed connection of one side of rose box (4) inner wall and rose box (4), and the equal swing joint in bottom of two opposite one sides of casing (15) has threaded rod (27), and the equal fixedly connected with handle (28) in one side that two threaded rod (27) are opposite, the bottom fixedly connected with fixed plate (23) of casing (15) inner chamber, one side that handle (28) were kept away from in threaded rod (27) runs through to the inner chamber of casing (15) and with fixed plate (23) swing joint, the surperficial threaded connection of threaded rod (27) has thread bush (26), the top fixedly connected with fixed block (25) of thread bush (26), the top fixedly connected with sliding sleeve (24) of fixed block (25), the inner wall swing joint of sliding sleeve (24) has slide bar (29), two sides of the sliding rod (29) are respectively fixedly connected with the inner wall of the shell (15) and the fixed plate (23), the top of the sliding sleeve (24) is fixedly connected with a first connecting block (18), the top of the first connecting block (18) is movably connected with a movable rod (17), one side of the movable rod (17) far away from the first connecting block (18) is movably connected with a second connecting block (16), the inner cavity of the shell (15) is fixedly connected with a sliding plate (19), the top of the second connecting block (16) is fixedly connected with the sliding plate (19), the bottom of the sliding plate (19) is fixedly connected with a limiting plate (21), both sides of the filter screen (13) are fixedly connected with telescopic rods (22), one side of the telescopic rod (22) close to the shell (15) penetrates into the inner cavity of the shell (15), one side of the telescopic rod (22) close to the limiting plate (21) is provided with a limiting groove (20) matched with the limiting plate (21) for use.
3. The rainwater collection device for municipal gardens according to claim 1, wherein: the spraying mechanism (2) comprises a partition plate (8) and a water pump (10), the top and the bottom of the partition plate (8) are fixedly connected with the bottom of the filter box (4) and the inner wall of the collecting box (1) respectively, one side, close to the partition plate (8), of the water pump (10) is fixedly connected with the partition plate (8), one side, far away from the partition plate (8), of the water pump (10) is fixedly connected with the inner wall of the collecting box (1), the bottom of the water pump (10) is communicated with a water suction pipe (9), one side, far away from the water pump (10), of the water suction pipe (9) penetrates through the left side of the partition plate (8), the top of the water pump (10) is communicated with a water outlet pipe (11), and one side, far away from the water pump (10), of the water outlet pipe (11) penetrates through the.
4. The rainwater collection device for municipal gardens according to claim 1, wherein: the bottom fixedly connected with bearing plate of installation mechanism (3), one side that the bearing plate is close to rose box (4) inner wall and the inner wall fixed connection of rose box (4), the equal fixedly connected with in both sides of rose box (4) inner chamber bottom and the guide plate that delivery port (14) cooperation was used.
5. The rainwater collection device for municipal gardens according to claim 2, wherein: the equal fixedly connected with slider in both sides of slide (19), the spout that uses with the slider cooperation is all seted up to the both sides of casing (15) inner chamber, threaded rod (27) are close to one side of fixed plate (23) and pass through bearing frame and fixed plate (23) swing joint.
CN201920203351.0U 2019-02-17 2019-02-17 Rainwater collection device for municipal garden Active CN209816968U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920203351.0U CN209816968U (en) 2019-02-17 2019-02-17 Rainwater collection device for municipal garden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920203351.0U CN209816968U (en) 2019-02-17 2019-02-17 Rainwater collection device for municipal garden

Publications (1)

Publication Number Publication Date
CN209816968U true CN209816968U (en) 2019-12-20

Family

ID=68873203

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920203351.0U Active CN209816968U (en) 2019-02-17 2019-02-17 Rainwater collection device for municipal garden

Country Status (1)

Country Link
CN (1) CN209816968U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112538827A (en) * 2020-12-11 2021-03-23 中冶东北建设(沈阳)工程技术有限公司 A curing means for road and bridge
CN113101717A (en) * 2021-04-17 2021-07-13 江苏银中建设有限公司 Water collecting and purifying device for sunken green belt of municipal road
CN113216064A (en) * 2021-04-13 2021-08-06 雷玺 Water-saving dust device for town road
CN114775728A (en) * 2022-04-11 2022-07-22 温州振华建设有限公司 Environment-friendly municipal landscape rainwater collection and circulation control system and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112538827A (en) * 2020-12-11 2021-03-23 中冶东北建设(沈阳)工程技术有限公司 A curing means for road and bridge
CN113216064A (en) * 2021-04-13 2021-08-06 雷玺 Water-saving dust device for town road
CN113101717A (en) * 2021-04-17 2021-07-13 江苏银中建设有限公司 Water collecting and purifying device for sunken green belt of municipal road
CN113101717B (en) * 2021-04-17 2021-11-30 江苏银中建设有限公司 Water collecting and purifying device for sunken green belt of municipal road
CN114775728A (en) * 2022-04-11 2022-07-22 温州振华建设有限公司 Environment-friendly municipal landscape rainwater collection and circulation control system and method

Similar Documents

Publication Publication Date Title
CN209816968U (en) Rainwater collection device for municipal garden
CN209900940U (en) Building construction building site dust removal atomizer
CN208786042U (en) A kind of construction cleaning dust remover
CN217308630U (en) Irrigation device for ecological restoration
CN107242111B (en) Efficient lawn watering device
CN207612829U (en) A kind of agricultural water-saving irrigation device
CN213485909U (en) Green soil of planting adds water structure based on road planning
CN219803146U (en) Water-saving drip irrigation device
CN212344825U (en) A automatic sprinkling irrigation equipment for landscape
CN220733845U (en) Irrigation equipment for gardens
CN220318644U (en) Water collecting device for civil engineering
CN219942261U (en) Engineering construction dust collector
CN218466904U (en) Module concatenation formula canopy
CN216150099U (en) Waterway system of powder collecting vehicle
CN218278102U (en) Zelkova serrata rain-collecting irrigation device
CN219344261U (en) Building site encloses fender with dust fall function
CN211973304U (en) Gardens fallen leaves cleaning device
CN217986228U (en) Energy-saving landscape construction collects irrigation equipment with rainwater
CN214430819U (en) Afforestation engineering water-saving irrigation device
CN211379117U (en) Water storage device for landscape plants
CN213073878U (en) Municipal afforestation watering device
CN219952773U (en) Watering device that building engineering used
CN215166215U (en) Building water supply and drainage anti-clogging device
CN218499674U (en) Building structure for greening top surface of building
CN219781157U (en) Gardens retaining irrigation equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant