CN209006396U - A kind of remediation contaminated soil device - Google Patents

A kind of remediation contaminated soil device Download PDF

Info

Publication number
CN209006396U
CN209006396U CN201821223573.0U CN201821223573U CN209006396U CN 209006396 U CN209006396 U CN 209006396U CN 201821223573 U CN201821223573 U CN 201821223573U CN 209006396 U CN209006396 U CN 209006396U
Authority
CN
China
Prior art keywords
fixed
fixedly connected
buckle
subsoiler
connecting rod
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
CN201821223573.0U
Other languages
Chinese (zh)
Inventor
刘加力
张卫
刘拥军
赵轶
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.)
Hunan Province Garden Construction Co Ltd
Original Assignee
Hunan Province Garden Construction 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 Hunan Province Garden Construction Co Ltd filed Critical Hunan Province Garden Construction Co Ltd
Priority to CN201821223573.0U priority Critical patent/CN209006396U/en
Application granted granted Critical
Publication of CN209006396U publication Critical patent/CN209006396U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of remediation contaminated soil device.The device includes: supporting mechanism;Material storage mechanism;Compression mechanism, the compression mechanism are fixed on material storage mechanism;It dusts mechanism, which includes discharge tube and dust nozzle, and discharge tube is fixed on material storage mechanism, is fixed with dust nozzle on discharge tube;Supporting mechanism is fixed in bindiny mechanism, the bindiny mechanism;Fixed frame, the fixed frame are rotatablely connected supporting mechanism by bindiny mechanism;Deep plough mechanism, which includes first connecting rod and the first subsoiler, and first connecting rod is fixed on fixed frame, and the first subsoiler has the first multiple and evenly distributed subsoilers to be fixedly connected with first connecting rod.This remediation contaminated soil device can stir soil on one side, spray lime powder on one side, and neutralize to the acid soil of deep layer.

Description

A kind of remediation contaminated soil device
Technical field
The utility model relates to pollutant abatement technology field more particularly to a kind of remediation contaminated soil devices.
Background technique
Soil pollutant is broadly divided into inorganic pollution and organic pollutant two major classes.Inorganic pollution mainly includes Acid, alkali, heavy metal, salt, radioactive element caesium, the compound of strontium, containing arsenic, selenium, compound of fluorine etc..Organic pollutant is main Including organic agricultural chemicals, phenols, cyanide, petroleum, synthetic detergent, sludge and barnyard manure bring harmful microorganism etc..Work as soil In contain hazardous substance excessive, more than the self-purification capacity of soil, composition of the soil, structure and function will be caused to change, it is micro- Biological activity is suppressed, and gradually accumulation passes through " soil → plant → human body " in the soil for harmful substance or its decomposition product, Or be absorbed by the body indirectly by " soil → water → human body ", reach the degree being detrimental to health, is exactly soil pollution.
Acid soil can neutralize soil by lime, lime is typically just put in soil surface, due to In casing soil and available inside sour permeable soil, still unneutralized internal layer is still acidity.
Therefore, it is necessary to provide a kind of new remediation contaminated soil device solution above-mentioned technical problem.
Utility model content
The technical issues of the utility model solves is to provide one kind can stir soil on one side, spray lime powder on one side, And to the remediation contaminated soil device that the acid soil of deep layer is neutralized.
In order to solve the above technical problems, remediation contaminated soil device provided by the utility model, comprising: supporting mechanism;Storage Expect mechanism, the material storage mechanism is fixed on the supporting mechanism;Compression mechanism, the compression mechanism are fixed on the storage machine Structure;It dusts mechanism, the mechanism of dusting includes discharge tube and dust nozzle, and the discharge tube is fixed on the material storage mechanism, described The dust nozzle is fixed on discharge tube;The supporting mechanism is fixed in bindiny mechanism, the bindiny mechanism;Fixed frame, it is described Fixed frame is rotatablely connected the supporting mechanism by the bindiny mechanism;Deep plough mechanism, and the deep ploughing mechanism includes the first connection Bar and the first subsoiler, the first connecting rod are fixed on the fixed frame, and first subsoiler has multiple and evenly distributed First subsoiler be fixedly connected with the first connecting rod.
Preferably, the supporting mechanism includes support plate, shaft and wheel, and the material storage mechanism is fixedly installed in the branch Fagging, the support plate are fixedly connected with the shaft, and the both ends of the shaft are rotatablely connected the wheel.
Preferably, the material storage mechanism includes lid, feed pipe and storage vat, and the storage vat is fixedly installed in the branch On fagging, the feed pipe is slidably connected to storage vat, and the top of the feed pipe is threadedly coupled the lid.
Preferably, the compression mechanism includes motor, pedestal, disk, fixed column, connecting column and piston, the storage vat Top be fixedly connected with the pedestal, the motor is fixedly installed in the pedestal, and the motor is fixedly installed with the circle Disk, the fixed column is fixedly connected on the disk, and the fixed column slidably connects the connecting column, the connecting column back One end from the fixed column slidably connects the piston, and the feed pipe is fixedly connected described away from one end of the lid Piston.
Preferably, the bindiny mechanism includes connecting rope, connection ring, the first buckle, the second buckle, fixed block and spring, The connecting rope is fixed on one end that the support plate deviates from the fixed frame, and the connecting rope is fixedly connected with first card Button, one end of the spring are fixedly connected with the inside of first buckle, and the other end of the spring, which is fixedly connected on, to be socketed in One end of second buckle in first buckle, the side wall of second buckle is close to the fixed company in one end of the spring It is connected to the fixed block, the fixed block is slidably connected first buckle, and first buckle is formed with second buckle One ellipsoidal structure, the connection ring are fixedly connected on one end that the support plate deviates from the connecting rope, the connection ring Be connected together first buckle and second buckle being set on the fixed frame.
Preferably, the deep ploughing mechanism further includes the second connecting rod and the second subsoiler, and second connecting rod is fixed to be connected The fixed frame is connect, multiple second subsoilers, the length of second subsoiler are fixedly connected in second connecting rod Degree is greater than first subsoiler.
Preferably, the fixed frame is fixedly connected with mechanism of raking, the mechanism of raking away from one end of the support plate Including third connecting rod, connecting plate and drag head, the third connecting rod is fixedly connected on the fixed frame, the third connecting rod It is fixedly connected with the connecting plate, the connecting plate is fixedly connected with multiple drag heads, and the bottom surface of multiple drag heads is concordant.
Preferably, there are three the dust nozzles on the discharge tube, first dust nozzle is located at the support plate Between first subsoiler, second dust nozzle between first subsoiler and second subsoiler, The third dust nozzle is between second subsoiler and the third connecting rod.
Compared with the relevant technologies, remediation contaminated soil device provided by the utility model is had the following beneficial effects:
The utility model provides a kind of remediation contaminated soil device, utilizes first deep ploughing on the first connecting rod Shovel digs soil under the drive of tractor, and utilizes the spray before and after first subsoiler scoops up soil Prostitute sprays soil, reacts the acid soil of deep layer with lime powder;Using in second connecting rod Second subsoiler digs soil, and the length of second subsoiler is greater than first subsoiler, can will more The soil of deep layer scoops up, and is also sprayed using the dust nozzle to soil before and after second subsoiler scoops up soil It spills, deeper soil is allow to react the acidity for neutralizing soil with lime powder;Soil can be stirred on one side to realize, Lime powder is sprayed on one side, and the acid soil of deep layer is neutralized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of remediation contaminated soil device provided by the utility model;
Fig. 2 is the schematic cross-section of deep ploughing mechanism shown in FIG. 1;
Fig. 3 is the schematic cross-section of compression mechanism shown in FIG. 1;
Fig. 4 is the portion A enlarged diagram shown in Fig. 1.
Figure label: 1, supporting mechanism, 11, support plate, 12, shaft, 13, wheel, 2, material storage mechanism, 21, lid, 22, Feed pipe, 23, storage vat, 3, compression mechanism, 31, motor, 32, pedestal, 33, disk, 34, fixed column, 35, connecting column, 36, work Plug, 4, mechanism of dusting, 41, discharge tube, 42, dust nozzle, 5, bindiny mechanism, 51, connecting rope, 52, connection ring, the 53, first card Button, the 54, second buckle, 55, fixed block, 56, spring, 6, fixed frame, 7, deep ploughing mechanism, 71, first connecting rod, 72, first is deep Plough shovel, the 73, second connecting rod, the 74, second subsoiler, 8, mechanism of raking, 81, third connecting rod, 82, connecting plate, 83, drag head.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, remediation contaminated soil device includes: supporting mechanism 1;Material storage mechanism 2, The material storage mechanism 2 is fixed on the supporting mechanism 1;Compression mechanism 3, the compression mechanism 3 are fixed on the material storage mechanism 2; Mechanism of dusting 4, the mechanism 4 of dusting includes discharge tube 41 and dust nozzle 42, and the discharge tube 41 is fixed on the material storage mechanism 2, the dust nozzle 42 is fixed on the discharge tube 41;The supporting mechanism is fixed in bindiny mechanism 5, the bindiny mechanism 5 1;Fixed frame 6, the fixed frame 6 are rotatablely connected the supporting mechanism 1 by the bindiny mechanism 5;Deep plough mechanism 7, the depth Ploughing mechanism 7 includes first connecting rod 71 and the first subsoiler 72, and the first connecting rod 71 is fixed on the fixed frame 6, described First subsoiler 72 has multiple and evenly distributed first subsoilers 72 to be fixedly connected with the first connecting rod 71.
The supporting mechanism 1 includes support plate 11, shaft 12 and wheel 13, and the material storage mechanism 2 is fixedly installed in described Support plate 11, the support plate 11 are fixedly connected with the shaft 12, and the both ends of the shaft 11 are rotatablely connected the wheel 13, Realize the movement of the support plate 11.
The material storage mechanism 2 includes lid 21, feed pipe 22 and storage vat 23, and the storage vat 23 is fixedly installed in described In support plate 11, the feed pipe 22 is slidably connected to storage vat 23, and the top of the feed pipe 22 is threadedly coupled the lid 21, realize charging and the storing of the device.
The compression mechanism 3 includes motor 31, pedestal 32, disk 33, fixed column 34, connecting column 35 and piston 36, described The top of storage vat 23 is fixedly connected with the pedestal 32, and the motor 31 is fixedly installed in the pedestal 32, the motor 31 It is fixedly installed with the disk 33, the fixed column 34 is fixedly connected on the disk 33, the fixed column 34 is slidably connected Have a connecting column 35, the connecting column 35 slidably connects the piston 36 away from one end of the fixed column 34, it is described into Expects pipe 22 is fixedly connected with the piston 36 away from one end of the lid 21, realizes the lime in the storage vat 23 from institute It states and is sprayed in dust nozzle 42.
The bindiny mechanism includes connecting rope 51,53, second buckle 54 of the buckle of connection ring 52, first, fixed block 55 and bullet Spring 56, the connecting rope 51 are fixed on one end that the support plate 11 deviates from the fixed frame 6, and the connecting rope 51 is fixedly connected It is described first buckle 53, one end of the spring 56 be fixedly connected it is described first buckle 53 inside, the spring 56 it is another End is fixedly connected on the one end for second buckle 54 being socketed in first buckle 53, the side wall of second buckle 54 One end close to the spring 56 is fixedly connected with the fixed block 55, and the fixed block 55 is slidably connected first buckle 53, first buckle 53 forms an ellipsoidal structure with second buckle 54, and the connection ring 52 is fixedly connected on institute One end that support plate 11 deviates from the connecting rope 51 is stated, described in the connection ring 52 is connected together on the fixed frame 6 First buckle 53 realizes the connection of the support plate 11 and tractor with second buckle 54, and realizes the branch The connection of fagging 11 and the fixed frame 6.
The deep ploughing mechanism 7 further includes the second connecting rod 73 and the second subsoiler 74, and second connecting rod 73 is fixed to be connected The fixed frame 6 is connect, multiple second subsoilers 74, second subsoiler are fixedly connected in second connecting rod 73 74 length is greater than first subsoiler 72, realizes and digs the soil of deeper.
The fixed frame 6 is fixedly connected with mechanism 8 of raking, the packet of mechanism 8 of raking away from one end of the support plate 11 Including third connecting rod 81, connecting plate 82 and drag head 83, the third connecting rod 81 is fixedly connected on the fixed frame 6, and described Three connecting rods 81 are fixedly connected with the connecting plate 82, and the connecting plate 82 is fixedly connected with multiple drag heads 83, Duo Gesuo The bottom surface for stating drag head 83 is concordant, realizes that will to turn over random soil regular neat.
There are three the dust nozzles 42 on the discharge tube 41, and first dust nozzle 42 is located at the support plate Between 11 and first subsoiler 72, second dust nozzle 42 is located at first subsoiler 72 and second deep ploughing Between shovel 74, the third dust nozzle 42 realizes between second subsoiler 74 and the third connecting rod 81 Lime powder is sprayed to by first subsoiler 72 and the soil that second subsoiler 74 scoops up, to preferably neutralize soil The acidity of earth.
The use principle of remediation contaminated soil device provided by the utility model are as follows: firstly, by lime powder from it is described into It is poured into expects pipe 22 inside the storage vat 23, the lid 21 is covered after running well, by pushing the connecting rope 51 to fix The fixed block 55 on first buckle 53 drives second bayonet 54 to compress the spring 56, makes first buckle Gap is formed between 53 and second buckle 54, first buckle 53 is hung on tractor, the fixation is then decontroled Block 55, the spring drive the fixed block 55 to reset with second buckle 54, and the support plate 11 passes through the shaft 12 The wheel 13 is slidably connected, and the support plate 11 passes through the connection ring 52 and first buckle 53 and second Buckle 54 is connected together the fixed frame 6, and tractor successively drives the support plate 11 and the fixed frame 6 mobile, passes through institute The motor 31 that pedestal 32 is fixed on the storage vat 23 is stated successively to drive on the disk 33 and the disk 33 The fixed column 34 rotates, so that the connecting column 35 and the piston 36 be driven to move up and down, by lime from the storing It is pressed into the discharge tube 41 in bucket 23 and is sprayed from the dust nozzle 43, and tractor is in described when travelling forward The dust nozzle 42 in the front of first connecting rod 71 first sprays lime, then the first connecting rod 71 be fixedly connected described the One subsoiler 72 scoops up soil, the dust nozzle between the first connecting rod 71 and second connecting rod 73 42 spray lime, the soil scooped up by first subsoiler 72 are sprayed lime, then by second connecting rod 73 Second subsoiler 74 soil of deeper is scooped up, the dust nozzle 42 in 74 rear of the second subsoiler The soil of the deeper scooped up by second subsoiler 74 is sprayed into lime powder, is then connected in the third connecting rod 81 The connecting plate 82 on the drag head 83 soil scooped up by first subsoiler 72 and the second subsoiler 74 is filled out It is flat.
Compared with the relevant technologies, remediation contaminated soil device provided by the utility model is had the following beneficial effects:
The utility model provides a kind of remediation contaminated soil device, utilizes described first on the first connecting rod 71 Subsoiler 72 digs soil under the drive of tractor, and sharp before and after first subsoiler 71 scoops up soil Soil is sprayed with the dust nozzle 42, reacts the acid soil of deep layer with lime powder;Utilize described second Second subsoiler 74 in connecting rod 73 digs soil, and the length of second subsoiler 74 is greater than described the One subsoiler 72 can scoop up the soil of deeper, and also utilize before and after second subsoiler 72 scoops up soil The dust nozzle 42 sprays soil, and deeper soil is allow to react the acidity for neutralizing soil with lime powder;From And soil can be stirred on one side by realizing, and spray lime powder on one side, and be neutralized to the acid soil of deep layer.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (8)

1. a kind of remediation contaminated soil device characterized by comprising
Supporting mechanism;
Material storage mechanism, the material storage mechanism are fixed on the supporting mechanism;
Compression mechanism, the compression mechanism are fixed on the material storage mechanism;
It dusts mechanism, the mechanism of dusting includes discharge tube and dust nozzle, and the discharge tube is fixed on the material storage mechanism, described The dust nozzle is fixed on discharge tube;
The supporting mechanism is fixed in bindiny mechanism, the bindiny mechanism;
Fixed frame, the fixed frame are rotatablely connected the supporting mechanism by the bindiny mechanism;
Deep plough mechanism, and the deep ploughing mechanism includes first connecting rod and the first subsoiler, and the first connecting rod is fixed on described Fixed frame, first subsoiler have multiple and evenly distributed first subsoilers to be fixedly connected with the first connecting rod.
2. remediation contaminated soil device according to claim 1, which is characterized in that the supporting mechanism include support plate, Shaft and wheel, the material storage mechanism are fixedly installed in the support plate, and the support plate is fixedly connected with the shaft, and described turn The both ends of axis are rotatablely connected the wheel.
3. remediation contaminated soil device according to claim 2, which is characterized in that the material storage mechanism include lid, into Expects pipe and storage vat, the storage vat are fixedly installed in the support plate, and the feed pipe is slidably connected to storage vat, described The top of feed pipe is threadedly coupled the lid.
4. remediation contaminated soil device according to claim 3, which is characterized in that the compression mechanism includes motor, bottom Seat, disk, fixed column, connecting column and piston, the top of the storage vat are fixedly connected with the pedestal, the fixed peace of the motor Loaded on the pedestal, the motor is fixedly installed with the disk, and the fixed column is fixedly connected on the disk, described solid Fixed column slidably connects the connecting column, and the connecting column slidably connects the piston, institute away from one end of the fixed column It states feed pipe and is fixedly connected with the piston away from one end of the lid.
5. remediation contaminated soil device according to claim 2, which is characterized in that the bindiny mechanism include connecting rope, Connection ring, the first buckle, the second buckle, fixed block and spring, the connecting rope are fixed on the support plate away from the fixation One end of frame, the connecting rope are fixedly connected with first buckle, and one end of the spring is fixedly connected with first buckle Inside, the other end of the spring is fixedly connected on the one end for second buckle being socketed in first buckle, described The side wall of second buckle is fixedly connected with the fixed block close to one end of the spring, and the fixed block is slidably connected described the One buckle, first buckle form an ellipsoidal structure with second buckle, and the connection ring is fixedly connected on described Support plate deviate from the connecting rope one end, the connection ring be connected together on the fixed frame it is described first buckle with Second buckle.
6. remediation contaminated soil device according to claim 2, which is characterized in that the deep ploughing mechanism further includes the second company Extension bar and the second subsoiler, second connecting rod are fixedly connected with the fixed frame, are fixedly connected in second connecting rod The length of multiple second subsoilers, second subsoiler is greater than first subsoiler.
7. remediation contaminated soil device according to claim 6, which is characterized in that the fixed frame deviates from the support plate One end be fixedly connected with mechanism of raking, the mechanism of raking includes third connecting rod, connecting plate and drag head, the third connection Bar is fixedly connected on the fixed frame, and the third connecting rod is fixedly connected with the connecting plate, and the connecting plate is fixedly connected There are multiple drag heads, the bottom surface of multiple drag heads is concordant.
8. remediation contaminated soil device according to claim 7, which is characterized in that the dust nozzle on the discharge tube There are three, first dust nozzle is between the support plate and first subsoiler, second dust nozzle position Between first subsoiler and second subsoiler, the third dust nozzle be located at second subsoiler with it is described Between third connecting rod.
CN201821223573.0U 2018-07-31 2018-07-31 A kind of remediation contaminated soil device Active CN209006396U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821223573.0U CN209006396U (en) 2018-07-31 2018-07-31 A kind of remediation contaminated soil device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821223573.0U CN209006396U (en) 2018-07-31 2018-07-31 A kind of remediation contaminated soil device

Publications (1)

Publication Number Publication Date
CN209006396U true CN209006396U (en) 2019-06-21

Family

ID=66830403

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821223573.0U Active CN209006396U (en) 2018-07-31 2018-07-31 A kind of remediation contaminated soil device

Country Status (1)

Country Link
CN (1) CN209006396U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110235551A (en) * 2019-07-18 2019-09-17 核工业西南勘察设计研究院有限公司 It is a kind of to turn over device with the soil remediation for spraying soil conditioner function
CN111250522A (en) * 2020-02-17 2020-06-09 吴晓吉 Portable quick repair equipment of soil
CN112296082A (en) * 2020-10-12 2021-02-02 国环绿能(北京)技术咨询有限公司 Be arranged in soil heavy metal pollution to administer device
CN116897624A (en) * 2023-07-10 2023-10-20 海南省农业科学院植物保护研究所(海南省农业科学院农产品质量安全与标准研究中心) Soil-borne disease treatment device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110235551A (en) * 2019-07-18 2019-09-17 核工业西南勘察设计研究院有限公司 It is a kind of to turn over device with the soil remediation for spraying soil conditioner function
CN110235551B (en) * 2019-07-18 2022-06-21 核工业西南勘察设计研究院有限公司 Soil treatment plowing device with soil conditioner spraying function
CN111250522A (en) * 2020-02-17 2020-06-09 吴晓吉 Portable quick repair equipment of soil
CN111250522B (en) * 2020-02-17 2022-04-19 江苏艾斯蔻环境工程科技有限公司 Portable quick repair equipment of soil
CN112296082A (en) * 2020-10-12 2021-02-02 国环绿能(北京)技术咨询有限公司 Be arranged in soil heavy metal pollution to administer device
CN116897624A (en) * 2023-07-10 2023-10-20 海南省农业科学院植物保护研究所(海南省农业科学院农产品质量安全与标准研究中心) Soil-borne disease treatment device
CN116897624B (en) * 2023-07-10 2024-01-26 海南省农业科学院植物保护研究所(海南省农业科学院农产品质量安全与标准研究中心) Soil-borne disease treatment device

Similar Documents

Publication Publication Date Title
CN209006396U (en) A kind of remediation contaminated soil device
CN206535859U (en) A kind of walking soil pollution processing unit
CN208050572U (en) A kind of soil remediation controlling device
CN108702883A (en) Multifunction soil disintegrating apparatus
CN209077431U (en) A kind of drip irrigation type contaminated soil remediation system adopting recirculating
CN108941181A (en) A kind of polarization screening type soil remediation controlling device
CN214263220U (en) Hand propelled pollutes soil environmental protection and administers device that resets
CN204765428U (en) Hand -pushing multifunction cleaning vehicle
CN213494371U (en) Soil pollution repair reagent sprinkler
CN208800542U (en) A kind of moveable-type soil pollution prosthetic device on the spot
CN214813569U (en) Soil is restoreed with ploughing device to construction
CN216965784U (en) Hand propelled pollutes soil environmental protection and administers device that resets
CN113600607A (en) Walking type soil pollution treatment device
CN212116186U (en) Device is scattered to fertilizer high efficiency
CN211268061U (en) South river yellow sheep is raised and is used colony house cleaning device
CN213001805U (en) Portable soil pollution is prosthetic devices on spot
CN108126979B (en) Towed heavy metal contaminated soil administers device
CN210146650U (en) Soil pollution treatment equipment
CN211217997U (en) Soil remediation device
CN207430100U (en) A kind of soil remediation mixing arrangement
CN208242143U (en) A kind of soil remediation equipment
CN207461167U (en) A kind of chicken farm chicken manure clean environment firendly device
CN217191620U (en) Pesticide spreading device for soil treatment of polluted farmland
CN216705457U (en) Safe and environment-friendly soil remediation device
CN205196253U (en) Multi -functional electronic an animal -drawn seed plough

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant