CN111642189A - Automatic planting method for ecological restoration - Google Patents
Automatic planting method for ecological restoration Download PDFInfo
- Publication number
- CN111642189A CN111642189A CN202010591515.9A CN202010591515A CN111642189A CN 111642189 A CN111642189 A CN 111642189A CN 202010591515 A CN202010591515 A CN 202010591515A CN 111642189 A CN111642189 A CN 111642189A
- Authority
- CN
- China
- Prior art keywords
- valves
- frame
- impact
- external
- planting method
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/206—Seed pipes
-
- 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
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses an automatic planting method for ecological restoration, which comprises the following planting methods: the planting method comprises the following steps that an external air pump is started, a frame is moved, an external motor is started, planting work can be completed through two material valves and air valves periodically, the frame in the planting method is fixedly connected with an external driving device, the frame comprises two frame bodies, the frame bodies are of annular structures with horizontal lower side portions, a sliding groove is formed in one side, close to each other, of the two frame bodies, a chain is connected in the sliding groove in a sliding mode, a plurality of pipe groups are fixed on the chain in an equidistant mode, two groups of material valves and one group of air valves are further fixed on the external driving device, and the two groups of material valves and the air valves are arranged in parallel and located. Has the advantages that: the frame part structure of this application is for the obvious simple structure of seeder of complicacy, the total weight is little, and drive arrangement such as vehicles walk and can pass parts such as pneumatic cylinder with the frame part lift in this application at waiting to plant the region and plant.
Description
Technical Field
The invention relates to the technical field of ecological restoration, in particular to an automatic planting method for ecological restoration.
Background
With the continuous progress of human civilization, the natural ecology restoration is more and more emphasized by people, and in the prior art, the research, development and utilization of rivers by human beings in the aspect of water conservancy reach a quite high level, but the research on the river ecological restoration problem from the ecological perspective is started in recent years. When ecological restoration of a river channel is carried out, plant planting is often needed on river banks.
In real life, certain wetlands can appear at the edge of a river bank, greening or plant planting in the regions is necessary, but the regions are characterized by high humidity and thick and sludge-like soil, and an automatic sowing machine in the prior art is heavy and difficult to walk and operate in the regions, so that a planting method and a device which can enable a driving machine to be located on the bank and perform mechanical planting in the wetlands are urgently needed.
Disclosure of Invention
The invention aims to solve the problem that the wetland at the edge of a river bank is lack of mechanical planting in the prior art, and provides an automatic planting method for ecological restoration.
In order to achieve the purpose, the invention adopts the following technical scheme: an automatic planting method for ecological restoration comprises the following planting methods:
s1, starting an external air pump, communicating the air valve, and adding magnetorheological fluid and seeds to be planted into the liquid tank and the storage tank respectively;
s2, moving the partial structure of the frame to ensure that the impact tube is over against the area to be planted;
s3, starting an external motor to drive the chain wheel to rotate at a constant speed, and periodically controlling the two material valves and the air valve to be opened to complete planting work;
the frame in the planting method is fixedly connected with an external driving device, the frame comprises two frame bodies, the frame bodies are of annular structures with horizontal lower side parts, one side, close to each other, of each frame body is provided with a sliding chute, a chain is connected in the sliding chute in a sliding mode, and a plurality of pipe groups are fixed on the chain at equal intervals;
the external driving device is also fixedly provided with two groups of material valves and a group of air valves, the two groups of material valves and the air valves are arranged in parallel and are positioned between the two frame bodies, the distance between the two groups of material valves is equal to the distance between the two pipe groups, one group of material valves is communicated with an external storage tank, the other group of material valves is communicated with an external liquid tank, and the air valves are communicated with external compressed air;
the external driving device is also fixedly provided with a conveyor belt of which the upper wall is horizontal to the lower end of the rack, and the conveyor belt is positioned right below the rack;
and the external driving device is also fixedly provided with a group of impact pipes, the impact pipes are positioned right below the air valve, the upper wall of each impact pipe is in a horizontal state, and an electromagnetic coil is embedded in the wall of each impact pipe.
In the automatic planting method for ecological restoration, one of the frame bodies is provided with a power groove, the power groove is provided with a chain wheel, and the chain wheel is meshed with a chain at a corresponding position.
In the automatic planting method for ecological restoration, the pipe group comprises a plurality of material pipes which are fixed at equal intervals, the material pipes are linearly arranged, the distance between every two adjacent material pipes in the pipe group is equal to the distance between the two corresponding material valves, and the distance between every two adjacent material pipes in the pipe group is equal to the distance between the two corresponding air valves.
In the above automatic planting method for ecological restoration, the pipe group includes a plurality of material pipes fixed at equal intervals, one group of the material pipes are arranged in a straight line, the distance between every two adjacent material pipes in the pipe group is equal to the distance between two corresponding material valves, and the distance between every two adjacent material pipes in the pipe group is equal to the distance between two corresponding air valves
The conveyer belt is located the lateral part of impact tube and the upper wall of conveyer belt is flushed with the upper wall of impact tube, it is attached a layer of mantle to carry on the conveyer belt.
In the automatic planting method for ecological restoration, the inner diameters of the impact pipe and the material pipe are equal, the inner wall of the upper end of the impact pipe and the inner wall of the material pipe far away from the chain are fixedly connected with a check ring, the check ring is made of silica gel, and the thickness of the single side of the check ring is 0.5-1.5 mm.
Compared with the prior art, the invention has the advantages that:
1. according to the planting method, the structure of the frame body part is obviously simple compared with that of a complex seeder, the total weight is small, the frame part in the planting method can be lifted to a region to be planted through a hydraulic cylinder and other parts when a vehicle and other driving devices walk on the shore, meanwhile, the seeds are submerged in the magnetorheological fluid and then conveyed into a magnetic field, so that the magnetorheological fluid firmly wraps the seeds, the subsequent downward impact planting work is facilitated, the seeds cannot be damaged in the period, the magnetorheological fluid returns to flow in a liquid state after the driving devices leave, and the seeds are planted after being kept at the original position.
2. Planting distance in this application receives drive arrangement's velocity of motion and material pipe interval control, the planting interval in the every row of seed of material pipe interval control, drive arrangement's velocity of motion control row with the interval of row, the interval of material pipe can be in the device that sets up this application active control, drive arrangement's velocity of motion then changes control to be convenient for to the accurate of planting the interval control.
3 the planting depth of the seeds in the application is related to the downward impact speed of the magnetorheological fluid, so that the air pressure of compressed air is only required to be adjusted.
Drawings
FIG. 1 is a schematic structural view of a frame body part in an automatic planting method for ecological restoration according to the present invention;
FIG. 2 is a partial schematic view of the feed tube of the present invention moving directly above the impingement tube.
In the figure: the device comprises a frame body 1, a chain 2, a material pipe 3, a conveying belt 4, a soft film 5, an impact pipe 6, a power groove 7, a chain wheel 8, a material valve 9, an air valve 10, a check ring 11 and an electromagnetic coil 12.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-2, an automatic planting method for ecological restoration comprises the following planting methods:
s1, starting an external air pump, communicating the air valve 10, and adding magnetorheological fluid and seeds to be planted into the liquid tank and the storage tank respectively;
s2, moving the partial structure of the frame to ensure that the impact tube 6 is over against the area to be planted;
s3, starting an external motor to drive the chain wheel 8 to rotate at a constant speed, and periodically controlling the two material valves 9 and the air valve 10 to be opened to complete planting work;
the frame in the planting method is fixedly connected with an external driving device, wherein the driving device can be a vehicle which advances on the ground, the frame comprises two frame bodies 1, the frame bodies 1 are of annular structures with horizontal lower side parts, one side, close to each other, of each of the two frame bodies 1 is provided with a sliding groove, a chain 2 is connected in the sliding grooves in a sliding mode, a plurality of pipe groups are fixed on the chain 2 at equal intervals, and when the chain 2 slides in the sliding grooves, the pipe groups move synchronously along with the chain 2.
The external driving device is also fixedly provided with two groups of material valves 9 and a group of air valves 10, the two groups of material valves 9 and the air valves 10 are arranged in parallel and are positioned between the two frame bodies 1, the distance between the two groups of material valves 9 is equal to the distance between the two groups of pipes, one group of material valves 9 is communicated with an external storage tank, the other group of material valves 9 is communicated with an external liquid tank, when the two groups of material valves 9 are opened under the external control, seeds in the storage tank and magnetorheological fluid in the liquid tank can be respectively conveyed to the lower part of the two groups of material valves 9, the air valves 10 are communicated with external compressed air, and when the air valves 10 are opened under the external control, high-pressure air can be released downwards;
the external driving device is also fixed with a conveyor belt 4 with the upper wall horizontal to the lower end of the rack, and the conveyor belt 4 is positioned right below the rack; the external driving device is also fixedly provided with a group of impact pipes 6, the impact pipes 6 are positioned right below the air valve 10, the upper wall of each impact pipe 6 is in a horizontal state, and an electromagnetic coil 12 is embedded in the wall of each impact pipe 6.
A power groove 7 is formed in one of the frame bodies 1, a chain wheel 8 is arranged at the position of the power groove 7, the chain wheel 8 is meshed with the chain 2 corresponding to the position, the chain wheel 8 is fixedly connected with the output end of an external servo motor, and the servo motor can drive the chain wheel 8 to rotate when working, so that the chain 2 is driven to slide in the sliding groove.
The nest of tubes includes that a plurality of equidistance are fixed expects pipe 3, a set of material pipe 3 is the inline, distance between every two adjacent material pipes 3 in the nest of tubes equals to correspond the distance between two material valves 9, distance between every two adjacent material pipes 3 in the nest of tubes equals to correspond the distance between two pneumatic valves 10, when guaranteeing that two sets of material pipes 3 of servo motor work drive move respectively under two sets of material valves 9, all there is a material valve 9 directly over every material pipe 3, and the lower extreme of material pipe 3 offsets with conveyer belt 4 just this moment.
Conveyer belt 4 is located the lateral part of impact tube 6 and the upper wall of conveyer belt 4 flushes with the upper wall of impact tube 6, is attached with one deck mantle 5 on conveyer belt 4, and when material pipe 3 offseted with conveyer belt 4, the condition of revealing can not produce downwards to the lower extreme of material pipe 3 in the existence of mantle 5.
The inner diameter of impact pipe 6 and material pipe 3 equals, and strikes the equal fixedly connected with retaining ring 11 of inner wall that 6 upper end inner walls of pipe and material pipe 3 kept away from chain one side, and retaining ring 11 uses silica gel to make, and retaining ring 11's unilateral thickness is 0.5 ~ 1.5 mm.
In the invention, the external driving device can be provided with power devices such as a hydraulic cylinder and the like, which is convenient for moving the frame body 1 part of the device, and the device is worth explaining that: in this application, the relative positions of the frame body 1, the conveyor belt 3, the impact pipe 6 and other parts cannot be changed, and the power devices such as the hydraulic cylinder and the like are the prior art which can be easily mastered by those skilled in the art, and are not described herein again.
When the driving device moves to the vicinity of the area to be planted, the power device can be controlled to enable part of the structure of the frame body 1 to be positioned right above the point to be planted, the servo motor and the transmission belt 4 are started, when one tube group is positioned right below one group of material valves 9, the other tube group is necessarily positioned right below the other group of material valves 9, at the moment, the two groups of material valves 9 are simultaneously opened to convey the seeds and the magnetorheological fluid downwards, so that the seeds are submerged in the magnetorheological fluid, when the servo motor and the conveyor belt 4 continue to work to enable the material pipe 3 containing the seeds and the magnetorheological fluid to move to the tail end of the conveyor belt 4, since there is already close to the shock tube 6, and the energizing of the electromagnetic coil 12 inside the shock tube 6 generates a significant magnetic field that causes the magnetorheological fluid to change from an initial liquid state to a solid-like state that is difficult to deform, when the material pipe 3 is out of contact with the conveyor belt 4, the solid part in the material pipe cannot slide out under the action of the check ring 11.
When the material pipe 3 moves right above the impact pipe 6, the air valve 10, the corresponding material pipe 3 and the impact pipe 6 are located on the same straight line, the air valve 10 is instantly opened to output high-pressure air downwards to impact solid-like magnetorheological fluid in the material pipe 3, the magnetorheological fluid extrudes the retainer ring 11 to deform and downwards rapidly move to be flushed out to a point to be planted from the lower end of the material pipe 3, the magnetorheological fluid is always solid-like and wraps seeds to be flushed into silt due to the fact that the electromagnetic coil 12 is arranged in the impact pipe 6, after the driving device continuously moves away from the original position, the magnetorheological fluid in the silt loses the magnetic field effect to recover the liquid state and flow away, and the seeds stay in the silt to complete planting.
It is worth to say that, in the application, the driving device can continuously move at a constant speed, the material valve 9 and the air valve 10 are intermittently opened, the equal-distance planting on the corresponding position of the wetland can be completed, the planting depth is related to the downward impact speed of the magnetorheological fluid, and therefore, only the air pressure of compressed air needs to be adjusted.
Although the terms frame 1, chain 2, pipe 3, conveyor belt 4, flexible membrane 5, impact pipe 6, power slot 7, sprocket 8, material valve 9, air valve 10, retainer 11, solenoid 12, etc. are used more extensively herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (5)
1. An automatic planting method for ecological restoration is characterized by comprising the following planting methods:
s1, starting an external air pump, communicating the air pump with the air valve (10), and respectively adding magnetorheological fluid and seeds to be planted into the liquid tank and the storage tank;
s2, moving the partial structure of the frame to ensure that the impact tube (6) is over against the area to be planted;
s3, starting an external motor to drive the chain wheel (8) to rotate at a constant speed, and periodically controlling the two material valves (9) and the air valve (10) to be opened to complete planting work;
the frame in the planting method is fixedly connected with an external driving device, the frame comprises two frame bodies (1), the frame bodies (1) are of an annular structure with the lower side parts horizontal, one side, close to each other, of each of the two frame bodies (1) is provided with a sliding chute, a chain (2) is connected in the sliding chute in a sliding mode, and a plurality of pipe groups are fixedly arranged on the chain (2) at equal intervals;
the external driving device is also fixedly provided with two groups of material valves (9) and one group of air valves (10), the two groups of material valves (9) and the air valves (10) are arranged in parallel and are positioned between the two frame bodies (1), the distance between the two groups of material valves (9) is equal to the distance between the two pipe groups, one group of material valves (9) is communicated with an external storage tank, the other group of material valves (9) is communicated with an external liquid tank, and the air valves (10) are communicated with external compressed air;
the external driving device is also fixedly provided with a conveyor belt (4) with the upper wall horizontal to the lower end of the rack, and the conveyor belt (4) is positioned right below the rack;
the external driving device is also fixedly provided with a group of impact pipes (6), the impact pipes (6) are positioned under the air valve (10), the upper wall of each impact pipe (6) is in a horizontal state, and an electromagnetic coil (12) is embedded in the wall of each impact pipe (6).
2. The automatic planting method for ecological restoration according to claim 1, wherein one of the frame bodies (1) is provided with a power groove (7), the power groove (7) is provided with a chain wheel (8), and the chain wheel (8) is meshed with the chain (2) at the corresponding position.
3. The automated planting method for ecological restoration according to claim 1, wherein the tube set comprises a plurality of equally spaced fixed material tubes (3), a set of the material tubes (3) is arranged in a straight line, the distance between every two adjacent material tubes (3) in the tube set is equal to the distance between two corresponding material valves (9), and the distance between every two adjacent material tubes (3) in the tube set is equal to the distance between two corresponding air valves (10).
4. The automated planting method for ecological restoration according to claim 1, wherein the conveyor belt (4) is located at the side of the impact tube (6) and the upper wall of the conveyor belt (4) is flush with the upper wall of the impact tube (6), and the conveyor belt (4) is attached with a soft film (5).
5. The automatic planting method for ecological restoration according to claim 3, wherein the inner diameters of the impact tube (6) and the material tube (3) are equal, the inner wall of the upper end of the impact tube (6) and the inner wall of the material tube (3) on the side far away from the chain are both fixedly connected with a retaining ring (11), the retaining ring (11) is made of silica gel, and the thickness of the single side of the retaining ring (11) is 0.5-1.5 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010591515.9A CN111642189A (en) | 2020-06-24 | 2020-06-24 | Automatic planting method for ecological restoration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010591515.9A CN111642189A (en) | 2020-06-24 | 2020-06-24 | Automatic planting method for ecological restoration |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111642189A true CN111642189A (en) | 2020-09-11 |
Family
ID=72340860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010591515.9A Pending CN111642189A (en) | 2020-06-24 | 2020-06-24 | Automatic planting method for ecological restoration |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111642189A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112544174A (en) * | 2020-11-11 | 2021-03-26 | 安徽省阜阳市盛大机械有限公司 | Automatic seeding device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9511892D0 (en) * | 1995-06-12 | 1995-08-09 | Greenland Uk Ltd | Conveyer system for granular material |
CN103891455A (en) * | 2014-04-19 | 2014-07-02 | 荆州市鑫益机械科技有限公司 | Precise crop seed dibbler |
BR102012009936A2 (en) * | 2012-04-27 | 2015-09-15 | Sollus Mecanização Agrícola Ltda | input conveyor assembly, with road vehicle mounting and installation, for agricultural machine supply system |
CN105103732A (en) * | 2015-09-15 | 2015-12-02 | 冯成伟 | Pneumatic precise seeder |
US20180153091A1 (en) * | 2016-06-23 | 2018-06-07 | Agco Corporation | Adjustable dampening for planter row unit |
CN108541419A (en) * | 2018-04-18 | 2018-09-18 | 赵子宁 | A kind of tomato seeder |
CN109819731A (en) * | 2019-04-10 | 2019-05-31 | 巢湖学院 | A kind of circular conveying precision seed metering device of Double-sucker |
CN109819732A (en) * | 2019-04-10 | 2019-05-31 | 巢湖学院 | A kind of double gas suction type precise sowing devices |
-
2020
- 2020-06-24 CN CN202010591515.9A patent/CN111642189A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9511892D0 (en) * | 1995-06-12 | 1995-08-09 | Greenland Uk Ltd | Conveyer system for granular material |
BR102012009936A2 (en) * | 2012-04-27 | 2015-09-15 | Sollus Mecanização Agrícola Ltda | input conveyor assembly, with road vehicle mounting and installation, for agricultural machine supply system |
CN103891455A (en) * | 2014-04-19 | 2014-07-02 | 荆州市鑫益机械科技有限公司 | Precise crop seed dibbler |
CN105103732A (en) * | 2015-09-15 | 2015-12-02 | 冯成伟 | Pneumatic precise seeder |
US20180153091A1 (en) * | 2016-06-23 | 2018-06-07 | Agco Corporation | Adjustable dampening for planter row unit |
CN108541419A (en) * | 2018-04-18 | 2018-09-18 | 赵子宁 | A kind of tomato seeder |
CN109819731A (en) * | 2019-04-10 | 2019-05-31 | 巢湖学院 | A kind of circular conveying precision seed metering device of Double-sucker |
CN109819732A (en) * | 2019-04-10 | 2019-05-31 | 巢湖学院 | A kind of double gas suction type precise sowing devices |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112544174A (en) * | 2020-11-11 | 2021-03-26 | 安徽省阜阳市盛大机械有限公司 | Automatic seeding device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111642189A (en) | Automatic planting method for ecological restoration | |
US10267287B2 (en) | Oscillating unites buoyancy hydro electric loop pistons | |
NL1030416C2 (en) | Civil compartment waltz. | |
KR102111796B1 (en) | Algae removal and selective water-intake system with floating siphon connected with water-quality sensor, and method for the same | |
AU2010317830A2 (en) | Reaction casing for a photosynthetic reactor and associated photosynthetic reactor | |
CN110683661A (en) | Tidal river self-purification type ecological restoration combined dam | |
CN108033565B (en) | Full-automatic water ecology improvement device based on plant technology | |
CN202385595U (en) | Multilayered pipeline type ultrasonic-atomization culturing device | |
US20240183120A1 (en) | Step-by-step paired and up-down reciprocating combined fishway and fish passage method | |
CN105776560A (en) | Mobile solar floating island for water ecological restoration and water ecological restoration method | |
CN202152321U (en) | Highly-efficient deep-groove type pile-turning machine | |
CN108507827B (en) | Subsurface flow zone sediment and interstitial pore water collecting device | |
CN203748370U (en) | Floating planting device and floating planting system | |
CN208545825U (en) | One kind being suitable for city driveway lower drainage pipe Accrete clearing device | |
WO2010123454A2 (en) | Power generation | |
CN101260870A (en) | Gravity force potential energy power machine | |
CN112194265A (en) | Black smelly water treatment facilities | |
CN211546098U (en) | Ecological floating island | |
CN108738632B (en) | Intelligent lotus root digging machine integrating digging and collecting and loading and lotus root digging method | |
CN218115074U (en) | Reverse osmosis concentrated water recovery device | |
CN113620433B (en) | Wetland water ecological restoration and sewage treatment method | |
CN201240932Y (en) | Ultramicro air bubble apparatus and dual-circulation ultramicro air bubble diffusion system | |
CN205556246U (en) | Water ecological remediation mobile solar power chinampa | |
CN219363398U (en) | Floating wetland device | |
CN212151784U (en) | Small-size modularization does not have artifical undercurrent wetland device of jam |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |