CN212753595U - Block management slope concrete vegetation maintenance system - Google Patents
Block management slope concrete vegetation maintenance system Download PDFInfo
- Publication number
- CN212753595U CN212753595U CN202021517759.4U CN202021517759U CN212753595U CN 212753595 U CN212753595 U CN 212753595U CN 202021517759 U CN202021517759 U CN 202021517759U CN 212753595 U CN212753595 U CN 212753595U
- Authority
- CN
- China
- Prior art keywords
- water
- drip irrigation
- pipe
- maintenance system
- filter
- 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.)
- Expired - Fee Related
Links
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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Landscapes
- Cultivation Of Plants (AREA)
Abstract
The utility model relates to a block management side slope concrete vegetation and maintenance system, which comprises a power supply system, a monitoring control system and a drip irrigation assembly, wherein the power supply system is connected with the monitoring control system and the drip irrigation assembly, the power supply system comprises a solar panel and a storage battery, the solar panel is connected with the storage battery through a line, the monitoring control system comprises a moisture meter, a camera and a microprocessor, the microprocessor comprises a control module, a signal transmitting module and a signal receiving module, the block management side slope concrete vegetation and maintenance system of the utility model supplies power to the monitoring control system and the drip irrigation assembly through the power supply system, maintains the vegetation, the moisture meter evenly distributed between the vegetation can monitor the moisture content of the side slope in real time, is convenient for fine management, can save rainfall through a water storage mechanism, and can directly use the water in the water storage tank to irrigate the side slope vegetation, the fertilizer can be used for fertilizing the slope vegetation by changing the fertilizer into water, so that the fertilizing efficiency is accelerated, the labor intensity is reduced, and the management cost is reduced.
Description
Technical Field
The utility model belongs to side slope greening engineering field, concretely relates to maintenance system, in particular to block management side slope concrete vegetation maintenance system.
Background
Slope greening is a new ecological slope protection mode capable of effectively protecting bare slope surfaces, and is combined with traditional engineering slope protection, slope ecological vegetation restoration can be effectively realized, the existing side slope is generally used for greening side slope concrete vegetation, the existing side slope concrete vegetation is in the process of maintenance, the mode of generally using large-area watering is maintained, large-area watering can cause the difference of moisture content to be large, fine management is not facilitated, the existing side slope vegetation is in the process of maintenance, when fertilization is needed, manual broadcasting is generally used, a watering cart sprays modes such as fertilizer water, the manual fertilizer spreading efficiency is low, the labor intensity is high, and the cost of fertilizer water spraying by the watering cart is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the block management side slope concrete vegetation maintenance system is provided, and the problems that in the prior art, large-area watering causes large moisture content difference, fine management is not facilitated, manual fertilizer spreading efficiency is low, labor intensity is high, cost of fertilizer and water spraying of a watering cart is high and the like can be effectively solved.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a block management side slope concrete vegetation maintenance system which characterized in that: comprises a power supply system, a monitoring control system and a drip irrigation assembly, wherein the power supply system is connected with the monitoring control system and the drip irrigation assembly, the power supply system comprises a solar panel and a storage battery, the solar panel is connected with the storage battery through a line, the monitoring control system comprises a moisture meter, a camera and a microprocessor, the microprocessor comprises a control module, a signal transmitting module and a signal receiving module, the drip irrigation assembly comprises a water inlet pipe, a water outlet pipe, a drip irrigation tape, an electromagnetic valve, a baffle and a main water valve, the main water valve is arranged on the water inlet pipe, the water inlet pipe is connected with the water outlet pipe, a plurality of shunt pipes are arranged on the water outlet pipe, the shunt pipes are connected with the drip irrigation tape through three-way joints, the electromagnetic valve is arranged at the joint of the drip irrigation tape and the shunt pipes, the, the retaining mechanism includes cistern, drinking-water pipe, water pump, motor and connecting pipe, the cistern lateral part is equipped with the protective housing, water pump and motor all set up in the protective housing, the drinking-water pipe is connected to the mouth that draws water of water pump, the other end of drinking-water pipe runs through and fixes and set up in the cistern lateral wall, the connecting pipe is connected to the delivery port of water pump, the water pump passes through line connection micro processor, the pivot of motor is connected with the stirring rake, the stirring rake rotates and sets up inside the cistern, the paddle of stirring rake is the soft brush structure.
Further, the storage battery is connected with the moisture meter, the camera, the electromagnetic valve and the microprocessor through lines.
Furthermore, a plurality of through holes are uniformly distributed in the baffle plate, the shunt pipe is fixed on the baffle plate through a pipe belt buckle, the baffle plate is made of stainless steel, and the baffle plate is fixed on the ground surface.
Further, the internal diameter of the pipe strap buckle is matched with the external diameter of the shunt pipe, and the pipe strap buckle is connected with the baffle through self-tapping.
Furthermore, a placing lug boss and a limiting lug boss are arranged inside the water storage tank, the placing lug boss is arranged at the top of the inner wall of the water storage tank, the limiting lug boss is arranged at the bottom of the inner wall of the water storage tank, the limiting lug boss is made of silica gel material,
further, the inside filtering mechanism that still is provided with of cistern, filtering mechanism includes filter screen and filter, the filter screen is placed on placing the boss, the filter joint is in spacing lug department.
Furthermore, the filter screen is the indent formula filter screen, the filter is the three-layer filter, and the outmost is the grit filling layer, and the middle level is the filter cotton filling layer, and the inlayer is the filter cloth filling layer.
Furthermore, the side part of the reservoir is also provided with a sun shield, the sun shield is connected with the reservoir through bolts, the top of the sun shield is provided with an inclined plane which inclines towards the interior of the reservoir,
furthermore, the drip irrigation tape is made of plastic materials, and a plurality of small holes are formed in the drip irrigation tape.
The utility model discloses a beneficial effect of block management slope concrete vegetation maintenance system:
1. the utility model discloses a block management slope concrete vegetation is supplied power to detection control system and drip irrigation the assembly through power supply system to block management slope concrete vegetation maintenance system to carry out the maintenance to the vegetation, but the moisture content of equipartition moisture meter real-time supervision slope between the vegetation, the fine-grained management of being convenient for.
2. The utility model discloses a block management side slope concrete vegetation is by maintenance system, accessible retaining mechanism save rainfall, can directly use the water in the retaining pond to irrigate the side slope vegetation, still can fertilize water, fertilize to the side slope vegetation for fertilization efficiency reduces intensity of labour, reduces administrative cost.
Drawings
FIG. 1 is a schematic view of the overall structure of the block management side slope concrete vegetation maintenance system of the present invention;
FIG. 2 is a schematic structural view of the block management slope concrete vegetation maintenance system of the present invention with the sun visor removed;
FIG. 3 is a sectional view of the block management side slope concrete vegetation maintenance system of the present invention;
FIG. 4 is a right side view of the block management side slope concrete vegetation maintenance system of the present invention;
FIG. 5 is a schematic structural view of the pipe buckle of the block management slope concrete vegetation maintenance system of the present invention;
FIG. 6 is a schematic structural view of the block management side slope concrete vegetation maintenance system filter of the present invention;
FIG. 7 is a top view of the block management side slope concrete vegetation maintenance system filter screen of the present invention;
fig. 8 is an enlarged schematic view of the tee joint, the shunt tube and the drip irrigation tape of the block management slope concrete vegetation maintenance system of the utility model;
fig. 9 is an enlarged schematic view of the total water valve of the block management side slope concrete vegetation maintenance system of the present invention;
FIG. 10 is a front view of the baffle of the block management side slope concrete vegetation maintenance system of the present invention;
fig. 11 is a connection block diagram of the block management side slope concrete vegetation maintenance system of the present invention.
In the figure: 1-power supply system, 2-monitoring control system, 3-drip irrigation assembly, 4-water storage mechanism, 101-solar panel, 102-storage battery, 201-moisture meter, 202-camera, 203-microprocessor, 301-water inlet pipe, 302-water outlet pipe, 303-drip irrigation belt, 304-electromagnetic valve, 305-baffle, 306-total water valve, 307-shunt pipe, 308-three-way joint, 309-pipe buckle, 310-through hole, 311-self tapping, 401-reservoir, 402-water pumping pipe, 403-water pump, 404-motor, 405-connecting pipe, 406-protective box, 407-stirring paddle, 408-blade, 409-placing boss, 410-limiting boss, 411-filtering mechanism, 412-filter screen, 413-filter, 414-sun visor.
Detailed Description
The block management side slope concrete vegetation maintenance system of the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, a block management side slope concrete vegetation maintenance system is characterized in that: the irrigation system comprises a power supply system 1, a monitoring control system 2 and a drip irrigation assembly 3, wherein the power supply system 1 is connected with the monitoring control system 2 and the drip irrigation assembly 3, the monitoring control system can be powered through the power supply system, and the monitoring control system is used for controlling the slope vegetation;
referring to fig. 8, the power supply system 1 includes a solar panel 101 and a storage battery 102, the solar panel 101 is connected to the storage battery 102 through a line, the solar panel generates electric energy through a photoelectric effect, and the generated dots are transmitted to the storage battery through the line for storage, so that the power supply system is environment-friendly and energy-saving;
referring to fig. 1, 2, 8, and 11, the monitoring control system 2 includes a moisture meter 201, a camera 202, and a microprocessor 203, the microprocessor 203 includes a control module, a signal transmitting module, and a signal receiving module, the microprocessor can collect monitoring data of the moisture meter and monitoring data of the camera, the moisture meter can be turned off or on by the control module, moisture on a slope is monitored, and monitoring direction of the camera can be controlled by the control module;
referring to fig. 1, 2, 5, 9 and 10, the drip irrigation assembly 3 includes a water inlet pipe 301, a water outlet pipe 302, drip irrigation tapes 303, an electromagnetic valve 304, a baffle 305 and a total water valve 306, the total water valve 306 is disposed on the water inlet pipe 301, a total water pump is disposed at a water source for delivering water to the water inlet pipe, the total water pump is used for delivering water to the water inlet pipe, the total water valve is used for controlling water inlet, the water inlet pipe 301 is connected to the water outlet pipe 302, the water outlet pipe 302 is provided with a plurality of shunt pipes 307, the shunt pipes 307 are connected to the drip irrigation tapes 303 through a tee joint 308, the drip irrigation tapes are multiple in number, each drip irrigation tape is buried under the ground surface, the drip irrigation tapes are made of plastic and have long service life, the drip irrigation tapes are provided with a plurality of small holes, the electromagnetic valve 304 is disposed at a connection position where the shunt pipes 303 and the shunt pipes 307 are connected, the water, the baffle 305 is made of stainless steel, the baffle 305 is fixed on the ground surface, a plurality of through holes 310 are uniformly distributed on the baffle 305, the baffle can be fixed on a side slope through soil nails, the depth of the baffle inserted into the side slope is about 2cm, the distance between the baffle and the slope surface is 1-2 m, the depth of the soil nails inserted into the side slope is about 10cm, the soil nails can be positioned below the baffle and provide a certain support for the baffle, a plurality of through holes are uniformly distributed on the baffle, the baffle can prevent sundries from falling off, meanwhile, the through holes can enable water falling to the side slope to pass through, and the baffle can intercept larger impurities while the water of the side slope passes through the baffle;
referring to fig. 1, 3, 4 and 6, the drip irrigation assembly 3 is further connected to a water storage mechanism 4, the water storage mechanism 4 includes a water storage tank 401, a water pumping pipe 402, a water pump 403, a motor 404 and a connection pipe 405, the water storage mechanism can store water when it rains, a protection tank 406 is disposed on a side portion of the water storage tank 401, the water pump 403 and the motor 404 are both disposed in the protection tank 406, the protection tank protects the water pump and the motor to some extent, a water pumping port of the water pump 403 is connected to the water pumping pipe 402, the other end of the water pumping pipe 402 penetrates and is fixedly disposed on a side wall of the water storage tank 401, the water pump can pump water out of the water storage tank through the water pumping pipe, a water outlet of the water pump 403 is connected to the connection pipe 405, a water valve is also disposed on the connection pipe to prevent water from flowing to the water storage tank after the total water valve is opened, the water, a rotating shaft of the motor 404 is connected with a stirring paddle 407, the stirring paddle can stir water in the water reservoir, the stirring paddle 407 is rotatably arranged in the water reservoir 401, blades 408 of the stirring paddle 407 are of a soft brush structure, and when the stirring paddle of the soft brush structure is used for an angle plate for treating fertilizer water, fertilizer at the bottom of the water reservoir can be stirred more uniformly without damaging a filter;
referring to fig. 11, the storage battery 102 is connected with the moisture meter 201, the camera 202, the electromagnetic valve 304 and the microprocessor 203 through lines, and the storage battery can supply power to the moisture meter, the camera, the electromagnetic valve and the microprocessor;
referring to fig. 5, the internal diameter of the tube buckle 309 matches the external diameter of the shunt 307, and the tube buckle 309 is connected to the baffle 305 by a self-tapping thread 311, which can enhance the fixation of the shunt;
referring to fig. 3, 5, 6 and 7, a placing boss 409 and a limiting bump 410 are arranged inside the water storage tank 401, the placing boss 409 is arranged at the top of the inner wall of the water storage tank 401, the limiting bump 410 is arranged at the bottom of the inner wall of the water storage tank 401, a filtering mechanism 411 is further arranged inside the water storage tank 401, the filtering mechanism 411 comprises a filtering net 412 and a filter 413, the filtering net 412 is placed on the placing boss 409, the filtering net 412 is a concave filtering net 412 for facilitating water flow into the water storage tank, the filter 413 is connected to the limiting bump 410 in a clamping manner, the limiting bump 410 is made of silica gel, the filter 413 is a three-layer filter 413, the outmost layer is a sand filling layer, the middle layer is a filter cotton filling layer, the inner layer is a filter cloth filling layer, the placing boss is used for placing the filtering net, the limiting bump is used for limiting the filter, the limiting bump is made, the filter is more convenient to install, has a three-layer filtering structure and has stronger filtering effect;
referring to fig. 1, the side of the reservoir 401 is further provided with a sun shield 414, the sun shield can prevent the water inside the reservoir from evaporating due to the sun irradiation, the sun shield 414 is connected with the reservoir 401 through bolts and is convenient to detach, the sun shield 414 is a sun shield 414 with an inclined angle at the top, rainfall is convenient to flow into the reservoir through the top of the sun shield during rainfall, the rainfall is convenient to collect, an inclined plane inclined towards the interior of the reservoir 401 is arranged at the edge of the reservoir 401, the water flow on the side slope is convenient to flow into the reservoir, the reservoir is buried underground, and the height of the edge of the reservoir is consistent with the lowest position of the side slope;
in this implementation: when the slope vegetation is required to be irrigated, a total water valve is opened, water flows to a water outlet pipe through a water inlet pipe and then flows to a shunt pipe from a water outlet pipe, a microprocessor is used for controlling the opening of a solenoid valve at the highest position (first row) of the slope, and simultaneously controlling the operation of a moisture meter of the first row, the solenoid valve is used for opening a drip irrigation belt of the first row to start drip irrigation on the vegetation at the highest position, the moisture meter is used for monitoring the slope vegetation in real time, when the moisture meter of the first row displays that the moisture content of the slope vegetation at the position reaches a standard, the corresponding solenoid valve at the moisture meter is closed, the corresponding solenoid valve and the moisture meter of the second row are opened, the drip irrigation on the slope vegetation of the second row is started, and so on until the drip irrigation on the whole slope vegetation is finished, the slope vegetation is maintained in a mode from a high position to a low position in sequence, the moisture content of the slope vegetation at a high, the device can prevent the water of the high-position side slope vegetation from seeping into the low-position side slope vegetation along the side slope, can achieve the fine management to the maximum extent, can be controlled by a solenoid valve singly, can stop drip irrigation in time after a certain position of the side slope vegetation reaches the standard, and can prevent over watering, can also open a water meter to monitor the water of the side slope vegetation frequently, can carry out targeted drip irrigation on the position with insufficient water content according to the monitoring result, when the rainfall is more, the rainfall on the side slope vegetation can flow down from the side slope, a baffle can prevent the soil of the side slope vegetation from being washed away by the water flow, when the water flow flows to a water storage tank, a filter screen carries out one-time filtration on the collection and the retention, intercepts the impurities with larger volume in the water flow, finishes the water storage tank storage when the rainfall after the water flow flows to the water storage tank, when the water in the water storage tank is needed to be watered, the water pump is opened, the device can collect rainfall and save water resources, when slope vegetation needs to be fertilized, fertilizer is poured into a water storage tank, a micro processor controls a motor to operate, the motor operates to drive a stirring paddle to stir, the stirring paddle stirs and mixes the fertilizer and the water to form fertilizer water, then the water pump is started, the fertilizer water is pumped to the drip irrigation zone to carry out drip irrigation on the slope vegetation, and the fertilization on the slope vegetation is finished. The device integrates drip irrigation, water storage, monitoring and fertilization, has multiple functions, is convenient to use, reduces the labor intensity of fertilization and watering, and reduces the management cost.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the specific embodiments without departing from the concept of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021517759.4U CN212753595U (en) | 2020-07-28 | 2020-07-28 | Block management slope concrete vegetation maintenance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021517759.4U CN212753595U (en) | 2020-07-28 | 2020-07-28 | Block management slope concrete vegetation maintenance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212753595U true CN212753595U (en) | 2021-03-23 |
Family
ID=75039880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021517759.4U Expired - Fee Related CN212753595U (en) | 2020-07-28 | 2020-07-28 | Block management slope concrete vegetation maintenance system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212753595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112262738A (en) * | 2020-07-28 | 2021-01-26 | 中化地质郑州岩土工程有限公司 | Block management slope concrete vegetation maintenance system |
| CN118000052A (en) * | 2024-03-07 | 2024-05-10 | 广西交科集团有限公司 | Ecological side slope hydrologic cycle intelligent irrigation system |
-
2020
- 2020-07-28 CN CN202021517759.4U patent/CN212753595U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112262738A (en) * | 2020-07-28 | 2021-01-26 | 中化地质郑州岩土工程有限公司 | Block management slope concrete vegetation maintenance system |
| CN118000052A (en) * | 2024-03-07 | 2024-05-10 | 广西交科集团有限公司 | Ecological side slope hydrologic cycle intelligent irrigation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112262738A (en) | Block management slope concrete vegetation maintenance system | |
| CN110178698A (en) | A kind of water-saving irrigation system and irrigation method | |
| CN212753595U (en) | Block management slope concrete vegetation maintenance system | |
| CN206371259U (en) | A kind of automatic irrigation system suitable for irregular area | |
| CN214853311U (en) | Rural irrigation device | |
| CN112075327A (en) | Be used for gardens to plant moisture supplementary device | |
| CN208490479U (en) | A kind of corn water-fertilizer integral drip irrigation appliance | |
| CN209330600U (en) | A kind of water-fertilizer integral irrigation sprinkler | |
| CN110024542B (en) | Water-saving irrigation station for slope plants | |
| CN206879662U (en) | Water-saving type planting fruit trees irrigation rig | |
| CN110100709A (en) | It is a kind of can the waterlogging-resistant intelligent green vegetation planting device of sun-proof drought resisting | |
| CN208490223U (en) | A kind of energy-saving stirring irrigation rig of water-fertilizer integral | |
| CN113229119A (en) | Energy-concerving and environment-protective type irrigation system of modernization farmland irrigation | |
| CN204425985U (en) | Irrigate waterpower automatic fertilizing apparatus | |
| CN215073936U (en) | Agricultural ecological fertilizer and water integrated drip irrigation equipment | |
| CN208210711U (en) | A kind of solar energy water-fertilizer integral irrigation sprinkler | |
| CN219124780U (en) | Accurate fertilizer injection unit of agricultural | |
| CN214508534U (en) | Environment-friendly agricultural cultivation drips irrigation device | |
| CN216673841U (en) | A water-saving device for water and fertilizer irrigation | |
| CN216254416U (en) | Energy-saving water-saving irrigation device for garden gardening | |
| CN114451263A (en) | A water conservancy and water-saving irrigation device for water conservancy project protection | |
| CN214430812U (en) | A large-area irrigation device for forest planting | |
| CN212971362U (en) | Medicine mixing and spraying system | |
| CN208387280U (en) | A kind of water-fertilizer integrated irrigation | |
| CN211671764U (en) | Greenery patches maintenance system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.76 Wenhua Road, Zhengzhou, Henan 450000 Patentee after: Sinochem geology Henan Bureau Group Co.,Ltd. Address before: No.76 Wenhua Road, Jinshui District, Zhengzhou City, Henan Province, 450000 Patentee before: ZHONGHUA GEOTECHNICAL ZHENGZHOU GEOTECHNICAL ENGINEERING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |