CN216821083U - Water conservancy farmland water-saving irrigation device - Google Patents

Water conservancy farmland water-saving irrigation device Download PDF

Info

Publication number
CN216821083U
CN216821083U CN202122650017.XU CN202122650017U CN216821083U CN 216821083 U CN216821083 U CN 216821083U CN 202122650017 U CN202122650017 U CN 202122650017U CN 216821083 U CN216821083 U CN 216821083U
Authority
CN
China
Prior art keywords
water
pipe
fixed connection
irrigation
water service
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
CN202122650017.XU
Other languages
Chinese (zh)
Inventor
韩超
崔红红
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.)
Hebei Institute of Investigation and Design of Water Conservancy and Hydropower Group Co Ltd
Original Assignee
Hebei Institute of Investigation and Design of Water Conservancy and Hydropower Group 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 Hebei Institute of Investigation and Design of Water Conservancy and Hydropower Group Co Ltd filed Critical Hebei Institute of Investigation and Design of Water Conservancy and Hydropower Group Co Ltd
Priority to CN202122650017.XU priority Critical patent/CN216821083U/en
Application granted granted Critical
Publication of CN216821083U publication Critical patent/CN216821083U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The application discloses water conservancy farmland water-saving irrigation device, include cistern, irrigation structure and spout the medicine structure, fixed connection suction pump two and suction pump three on the bottom inside wall of cistern, three fixed connection water service pipes two of suction pump, the both sides of water service pipe two are provided with the irrigation structure, fixed connection water service pipe one on the suction pump two, fixed connection water service branch pipe is gone up to water service pipe one, water service branch pipe's the other end fixed connection shell body. This application suction pump three extraction water sources, the water source passes through water service pipe two, the irrigation pipe, irrigation branch gets into the box that leads to water, the water source in the box that leads to water passes through the burette and drips into the soil, be convenient for evenly drip irrigation all around to the seedling, this application suction pump one extracts the medicament, in the medicament sent into to spill the medicine box through sprinkler pipe, the watering branch pipe, the rethread spills the medicine shower nozzle with the medicament blowout, when convenient and fast spouts the medicine to the seedling, workman's work load has been alleviateed.

Description

Water conservation irrigation equipment for irrigation field
Technical Field
The application relates to the field of irrigation, especially a water conservancy farmland water-saving irrigation device.
Background
The water-saving irrigation can obtain the maximum yield or income with the minimum water consumption, namely, the irrigation measures can improve the crop yield and output value of unit irrigation water to the maximum extent. Commonly used measures include canal seepage control, low pressure pipe irrigation, spray irrigation, micro-irrigation, drip irrigation and the like.
When traditional drip irrigation, put the burette in one side of seedling usually, water drips into in the soil through the burette, nevertheless makes the water source concentrate on one side of seedling like this, can't evenly drip irrigation the seedling, in addition, when the seedling is sick, generally need spray the pesticide to the seedling, when traditional utilization manual work sprays the pesticide, it is slow not through spraying efficiency, workman's work load is also big. Therefore, a water conservancy farmland water-saving irrigation device is provided aiming at the problems.
Disclosure of Invention
Provide a water conservancy farmland water-saving irrigation device in this embodiment and be arranged in solving among the prior art drip irrigation the problem that workman's work load is big when uneven with spouting the medicine.
According to an aspect of the application, a water conservancy farmland water-saving irrigation device is provided, include cistern, irrigation structure and spout the medicine structure, fixed connection suction pump two and suction pump three on the bottom inside wall of cistern, three fixed connection water service pipes two of suction pump, the both sides of water service pipe two are provided with the irrigation structure, two fixed connection water service pipes one on the suction pump, one fixed connection water service pipe, the other end fixed connection shell body of water service pipe, the shell body is the tetragonal body structure, be provided with between shell body and the water service pipe two and spout the medicine structure.
Further, the irrigation structure includes irrigation branch pipe, leads to water box, irrigation pipe, dead lever and burette, irrigation pipe fixed connection is on water service pipe two, irrigation pipe and water service pipe two communicate with each other, equidistant fixed connection irrigation branch pipe on the irrigation pipe, the annular box that leads to of other end fixed connection of irrigation branch pipe, lead to two dead levers of the bottom lateral wall fixed connection of box, a plurality of burette of the bottom equidistance fixed connection of box that leads to.
Further, spout the medicine structure and include watering branch pipe, sprinkler pipe, suction pump one, spill the medicine box and spill the medicine shower nozzle, a suction pump fixed connection is on the bottom inside wall of shell body, a suction pump fixed connection sprinkler pipe, sprinkler pipe fixed connection is at the top of irrigation pipe, two watering branch pipes of equidistance fixed connection on the sprinkler pipe, the other end fixed connection who sprinkles the medicine box of watering branch pipe, four sprinkle the medicine shower nozzles of lateral wall equidistance fixed connection who sprinkles the medicine box.
Furthermore, a supporting shell is sleeved on the outer side wall of the sprinkler pipe and the outer side wall of the irrigation pipe, the top of the supporting shell is fixedly connected with four supporting rods, the top of each supporting rod is fixedly connected with two fixing rings, and the fixing rings are fixedly connected to the sprinkler branch pipes.
Further, rotate on the top lateral wall of shell body and connect the dwang, the top fixed connection rocking rod of dwang, equidistant fixed connection a plurality of puddler on the dwang.
Furthermore, a feed inlet is formed in the top of the outer shell.
Through the above-mentioned embodiment of this application, adopted and irrigate the structure and spout the medicine structure, solved the drip tube and irrigate uneven and when spouting the medicine problem that workman's work load is big, gained and evenly driped irrigation and alleviateed the effect that the workman spouted medicine work load.
The application has the advantages that:
1. this application is rational in infrastructure, and three extraction water sources in following the cistern of suction pump, in the water source passes through two difference inflow irrigation pipes of water service pipe, in the water source in the irrigation pipe flows into the irrigation branch pipe respectively, sends into logical water box through the irrigation branch pipe, and the water source in logical water box is through the burette drip irrigation on the ground, is convenient for evenly drip irrigation all around to the seedling.
2. This application is rational in infrastructure, and one suction pump will mix the medicament suction sprinkler pipe, and the medicament in the sprinkler pipe gets into the watering branch pipe respectively, sends into through the watering branch pipe and spills in the medicine box, and the rethread spills the medicine shower nozzle with the medicament blowout, when convenient and fast spouts the medicine to the seedling, has alleviateed workman's work load.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is an overall perspective view of one embodiment of the present application;
FIG. 2 is an overall top internal schematic view of an embodiment of the present application;
FIG. 3 is an overall side view internal schematic of one embodiment of the present application;
fig. 4 is a schematic perspective view of a water box according to an embodiment of the present application.
In the figure: 1. the water storage tank comprises a water storage tank body, 2, an outer shell body, 3, a first water pipe, 4, a water branch pipe, 5, a second water pipe, 6, an irrigation structure, 601, an irrigation branch pipe, 602, a water box, 603, an irrigation pipe, 604, a fixing rod, 605, a dropper, 7, a spraying structure, 701, a spraying branch pipe, 702, a spraying pipe, 703, a first water pump, 704, a spraying box, 705, a spraying nozzle, 8, a support shell body, 9, a second water pump, 10, a third water pump, 11, a fixing ring, 12, a stirring rod, 13, a rotating rod, 14, a feeding hole, 15, a support rod, 16 and a swinging rod.
Detailed Description
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The irrigation structure in the irrigation device in this embodiment may be applicable to a polygonatum planting field structure, for example, the following polygonatum planting field structure is provided in this embodiment, and the irrigation structure in the irrigation device in this embodiment may be applicable to the following polygonatum planting field structure.
A sealwort planting field structure comprises a farmland, wherein an impermeable clay layer is arranged at the bottom of the farmland, multiple rows of planting are arranged at the upper end of the impermeable clay layer, each planting comprises a permeable sand layer and a nutrient planting layer which are arranged from bottom to top, a drainage ditch is formed between every two kinds of planting , a drainage channel communicated with the drainage ditch is arranged at the upper end of the impermeable clay layer at the edge of the farmland, and a reservoir communicated with the drainage channel is arranged outside the farmland; all insert along length direction in each permeable sand layer and be equipped with the permeability tube, each permeability tube all sets up a plurality of permeability holes that distribute along length direction, is provided with the main water pipe of all permeability tubes of intercommunication, the main water pipe is close to the one end opening of cistern.
The polygonatum kingianum is planted in a nutrition planting layer on the planting , when raining in rainy season, redundant moisture in the nutrition planting layer permeates into a permeable sand layer, the permeable sand layer permeates into a drainage ditch after being full, and finally water is drained into a water storage pond through the drainage ditch, so that the situation that the water in the planting is too slow to permeate downwards and the polygonatum kingianum is rotten due to too high moisture in the planting is effectively prevented;
when the water shortage in dry season, connect main water pipe through the water pump, extract the irrigation of the water in the cistern, the permeation tube passes through the infiltration hole with even infiltration of water to the sand bed that permeates water, irrigate to the sand bed that permeates water have water to ooze slightly can, because the lower floor of the sand bed that permeates water is impervious clay layer, the water permeability is poor, moisture is difficult to infiltrate down, the upper strata of the sand bed that permeates water is the nutrition planting layer, the water permeability of nutrition planting layer is better relatively, can be through soil capillary action with the moisture in the sand bed that permeates water updraught gradually, it has relatively good humidity to keep the nutrition planting layer, provide better growth humidity for the growth of sealwort, and moisture is stored in the sand bed that permeates water, be difficult for evaporating, can supply the nutrition planting layer to absorb moisture for a long time, it has better humidity to keep the nutrition planting layer for a long time, effectively reduce and irrigate the number of times.
And one end of each permeation tube, which is close to the main water pipe, is provided with a water valve.
The thickness of the permeable sand layer is 8-10 CM.
The thickness of the nutrition planting layer is 10-15 CM.
According to the utility model, the planting is divided into the permeable sand layer and the nutrition planting layer, so that moisture can quickly permeate into the permeable sand layer in rainy days and then is discharged into the drainage ditch, and the polygonatum sibiricum rotting caused by planting ponding can be effectively prevented;
according to the utility model, the permeable sand layer is internally provided with the permeation tube, so that irrigation water permeates into the permeable sand layer for storage, the water in the permeable sand layer is not easy to evaporate, the permeable sand layer can be stored for a long time, the nutrient planting layer can be kept to absorb water from the permeable sand layer upwards for a long time, the humidity is good, and the irrigation times are effectively reduced.
Of course, the embodiment can also be used for sealwort planting field structures of other structures. The details are not repeated here, and the irrigation device according to the embodiment of the present application will be described below.
Please refer to fig. 1-4, a water conservancy farmland water-saving irrigation device, includes cistern 1, irrigation structure 6 and spouts medicine structure 7, fixed connection suction pump two 9 and suction pump three 10 on the bottom inside wall of cistern 1, suction pump three 10 fixed connection water service pipe two 5, the both sides of water service pipe two 5 are provided with irrigation structure 6, fixed connection water service pipe one 3 on the suction pump two 9, fixed connection water service pipe 4 on the water service pipe one 3, the other end fixed connection shell body 2 of water service pipe 4, shell body 2 is the tetragonal body structure, be provided with between shell body 2 and the water service pipe two 5 and spout medicine structure 7.
Utilize irrigation structure 6 to be convenient for evenly drip irrigation around the seedling, utilize to spout medicine structure 7 with the medicament blowout, when convenient and fast spouted the medicine to the seedling, saved workman's work load.
The irrigation structure 6 comprises an irrigation branch pipe 601, a water through box 602, an irrigation pipe 603, fixing rods 604 and a dropper 605, wherein the irrigation pipe 603 is fixedly connected to the water through pipe two 5, the irrigation pipe 603 is communicated with the water through pipe two 5, the irrigation pipe 603 is fixedly connected to the irrigation branch pipe 601 at equal intervals, the other end of the irrigation branch pipe 601 is fixedly connected to the annular water through box 602, the outer side wall of the bottom of the water through box 602 is fixedly connected to the two fixing rods 604, the bottom of the water through box 602 is fixedly connected to the plurality of droppers 605 at equal intervals, water sources respectively flow into the irrigation pipe 603 through the water through pipe two 5, water sources in the irrigation pipe 603 respectively flow into the irrigation branch pipe 601 and are sent into the water through the irrigation branch pipe 601, and the water sources in the water through box 602 drip into the ground through the droppers 605.
The medicine spraying structure 7 comprises spraying branch pipes 701, spraying pipes 702, a water pump 703, a medicine spraying box 704 and a medicine spraying nozzle 705, the water pump 703 is fixedly connected to the inner side wall of the bottom of the outer shell 2, the water pump 703 is fixedly connected to the spraying pipes 702, the spraying pipes 702 are fixedly connected to the top of the irrigation pipe 603, the spraying pipes 702 are fixedly connected to the two spraying branch pipes 701 at equal intervals, the spraying pipes 701 are fixedly connected to the other end of the spraying branch pipes 704, the spraying pipes 704 are fixedly connected to the four medicine spraying nozzles 705 at equal intervals on the outer side wall, the water pump 703 is used for pumping mixed medicines into the spraying pipes 702, the medicines in the spraying pipes 702 respectively enter the spraying branch pipes 701, the medicines are sent into the spraying boxes 704 through the spraying branch pipes 701, and the medicines are sprayed through the medicine spraying nozzles 705.
The supporting shell body 8 is sleeved on the outer side wall of the sprinkling pipe 702 and the outer side wall of the irrigation pipe 603, four supporting rods 15 of the top fixed connection of the supporting shell body 8 are arranged, two fixing rings 11 of the top fixed connection of the supporting rods 15 are arranged, the fixing rings 11 are fixedly connected to the sprinkling branch pipes 701, the supporting shell body 8 can protect the sprinkling pipe 702 and the irrigation pipe 603, and the fixing rings 11 and the supporting rods 15 can support the sprinkling branch pipes 701.
Rotate on the top lateral wall of shell body 2 and connect dwang 13, the top fixed connection rocking rod 16 of dwang 13, equidistant fixed connection a plurality of puddler 12 on the dwang 13, manual rocking rod 16, rocking rod 16 drive dwang 13 and rotate, and dwang 13 drives puddler 12 and rotates.
The top of the outer shell 2 is provided with a feed inlet 14, and pesticides can be added into the outer shell 2 through the feed inlet 14.
When the utility model is used, electrical components appearing in the application are externally connected with a power supply and a control switch when in use, seedlings are planted in the soil in the annular water through box 602, when irrigation is carried out, a water pump III 10 is started, the water pump III 10 pumps water from the water storage tank 1, the water flows into the irrigation pipe 603 through a water through pipe II 5, the water in the irrigation pipe 603 flows into the irrigation branch pipes 601 respectively, the water is sent into the water through box 602 through the irrigation branch pipes 601, the water in the water through box 602 drips into the soil through a dropper 605, uniform drip irrigation is conveniently carried out on the periphery of the seedlings, when spraying medicine on the seedlings is required, a water pump II 9 is started, the water pump II 9 pumps water from the water storage tank 1, the water is sent into the outer shell 2 through a water through pipe I3 and the water through branch pipe 4, pesticide is added into the outer shell 2 through the feed inlet 14, the swing rod 16 is manually swung, the swing rod 16 drives the swing rod 13 to rotate, dwang 13 drives puddler 12 and rotates, stirs water and pesticide, makes its misce bene, starts suction pump 703, and suction pump 703 will mix good medicament suction sprinkler pipe 702, and the medicament in sprinkler pipe 702 gets into watering branch pipe 701 respectively, sends into through watering branch pipe 701 in watering box 704, and the rethread spills medicine shower nozzle 705 with the medicament blowout, when convenient and fast spouts the medicine to the seedling, has saved workman's work load.
The first water pump 703, the second water pump 9 and the third water pump 10 are all made of JYWQ model numbers produced by manufacturing company Limited in Weiquan pump of Shanghai and related matched power supplies and circuits.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (6)

1. The utility model provides a water conservancy farmland water-saving irrigation device which characterized in that: including cistern (1), irrigate structure (6) and spout medicine structure (7), two (9) of fixed connection suction pumps and three (10) of suction pumps on the bottom inside wall of cistern (1), two (5) of suction pumps three (10) fixed connection water service pipe, the both sides of two (5) of water service pipe are provided with irrigation structure (6), fixed connection water service pipe (3) are gone up in two (9) of suction pumps, fixed connection water service branch (4) are gone up in water service pipe (3), the other end fixed connection shell body (2) of water service branch (4), shell body (2) are the tetragonal body structure, be provided with between shell body (2) and water service pipe two (5) and spout medicine structure (7).
2. The water-saving irrigation device for the water conservancy farmland according to claim 1, characterized in that: irrigation structure (6) are including irrigation branch pipe (601), water service box (602), irrigation pipe (603), dead lever (604) and burette (605), irrigation pipe (603) fixed connection is on water service pipe two (5), irrigation pipe (603) and water service pipe two (5) communicate with each other, equidistant fixed connection irrigation branch pipe (601) on irrigation pipe (603), the annular box (602) that leads to of the other end fixed connection of irrigation branch pipe (601), two dead levers (604) of bottom lateral wall fixed connection of box (602) lead to, a plurality of burette (605) of the bottom equidistance fixed connection of box (602) lead to.
3. The water-saving irrigation device for the water conservancy farmland according to claim 1, characterized in that: spout medicine structure (7) including watering branch pipe (701), sprinkler pipe (702), suction pump (703), spill medicine box (704) and spill medicine shower nozzle (705), suction pump (703) fixed connection is on the bottom inside wall of shell body (2), suction pump (703) fixed connection sprinkler pipe (702), sprinkler pipe (702) fixed connection is at the top of irrigation pipe (603), two sprinkler branch pipes (701) of equidistance fixed connection on sprinkler pipe (702), the other end fixed connection of sprinkler branch pipe (701) spills medicine box (704), four sprinkler nozzles (705) of the lateral wall equidistance fixed connection of spilling medicine box (704).
4. The water-saving irrigation device for the water conservancy farmland according to claim 3, characterized in that: support casing (8) have been cup jointed on the lateral wall of watering pipe (702) and irrigation pipe (603), support four bracing pieces of top fixed connection (15) of casing (8), two solid fixed rings of top fixed connection (11) of bracing piece (15), gu fixed ring (11) fixed connection is on watering branch pipe (701).
5. The water-saving irrigation device for the water conservancy farmland according to claim 1, characterized in that: rotate on the top lateral wall of shell body (2) and connect dwang (13), the top fixed connection rocking rod (16) of dwang (13), equidistant fixed connection a plurality of puddler (12) on dwang (13).
6. The water-saving irrigation device for the water conservancy farmland according to claim 1, characterized in that: the top of the outer shell (2) is provided with a feed inlet (14).
CN202122650017.XU 2021-11-01 2021-11-01 Water conservancy farmland water-saving irrigation device Active CN216821083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122650017.XU CN216821083U (en) 2021-11-01 2021-11-01 Water conservancy farmland water-saving irrigation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122650017.XU CN216821083U (en) 2021-11-01 2021-11-01 Water conservancy farmland water-saving irrigation device

Publications (1)

Publication Number Publication Date
CN216821083U true CN216821083U (en) 2022-06-28

Family

ID=82099403

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122650017.XU Active CN216821083U (en) 2021-11-01 2021-11-01 Water conservancy farmland water-saving irrigation device

Country Status (1)

Country Link
CN (1) CN216821083U (en)

Similar Documents

Publication Publication Date Title
CN201426282Y (en) Automatically controlled combined potting system
CN205143082U (en) Drip irrigation system is spouted in water conservation
CN105594493A (en) Water-saving greenhouse flower planting appliance
CN211241149U (en) Root system adaptive layering variable flow underground infiltrating irrigation emitter
CN103202213A (en) Tower-type stereoscopic cultivation frame and tower-type stereoscopic cultivation device
CN203968772U (en) Planting box
CN111727714A (en) Fixed sprinkler for garden grassland maintenance and use method
CN106472271A (en) A kind of potted plant ball float automatic water supply system
CN207340786U (en) Facility for apple cultivation
CN210808634U (en) Irrigation equipment for hydraulic engineering management
CN113016575A (en) But afforestation of water conservation is with driping irrigation device
CN216821083U (en) Water conservancy farmland water-saving irrigation device
CN209787840U (en) Water and fertilizer integrated drip irrigation system for Wo citrus planting
CN111699953A (en) Novel water-saving irrigation device for agricultural planting and use method thereof
CN207340765U (en) Seedbed for Chinese prickly ash plantation
CN211185156U (en) Agricultural greenhouse water, fertilizer and pesticide integrated system
CN209710881U (en) Notoginseng planting greenhouse
CN203884343U (en) Water supply conservation device for use in waxberry tree transplanting process
CN210746039U (en) Seedling ponding prevention and cure device plants
CN202759935U (en) Plant water storage bottom-irrigation system
CN207410763U (en) A kind of water-saving agriculture irrigation equipment
CN206196515U (en) A kind of spray equipment of planting vegetable
CN220191587U (en) Water-saving seedling planting irrigation device
CN214853120U (en) Ginger is planted and is used cultivation device
CN213548657U (en) Plant breeding device for landscaping engineering

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant