CN106472438A - A kind of Fish trap - Google Patents
A kind of Fish trap Download PDFInfo
- Publication number
- CN106472438A CN106472438A CN201611125717.4A CN201611125717A CN106472438A CN 106472438 A CN106472438 A CN 106472438A CN 201611125717 A CN201611125717 A CN 201611125717A CN 106472438 A CN106472438 A CN 106472438A
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- China
- Prior art keywords
- net
- entrance
- criny
- fish
- cage
- 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
- 241000251468 Actinopterygii Species 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 235000013305 food Nutrition 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 235000003570 Phyllostachys pubescens Nutrition 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000013011 mating Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 241001520913 Phyllostachys edulis Species 0.000 claims 6
- 239000004744 fabric Substances 0.000 abstract description 6
- 238000009958 sewing Methods 0.000 abstract description 3
- 244000302661 Phyllostachys pubescens Species 0.000 description 20
- 230000000694 effects Effects 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 210000002268 wool Anatomy 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K69/00—Stationary catching devices
- A01K69/06—Traps
- A01K69/08—Rigid traps, e.g. lobster pots
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of Fish trap，Including two hoist engines、Two spud piles、Two fixing ropes、Two pulley mechanisms、Device for feeding fish bait、Food platform、Lift net、Entrance net、Cage net、Criny A、Criny B、Fish gathering net cage，Two pulleys of two pulley mechanisms are separately fixed on two spud piles，Lift net is square，Lift net have A while and during B，Two angles on A side are connected with two hoist engines by two pulley mechanisms respectively，Entrance net is in quadrangular frustum pyramid shaped，The large port of entrance net have C while and during D，D side is fixed with B side seam system，Two angles on C side are separately fixed on two spud piles by fixing rope，Cage net is divided into leading portion body、Stage casing body and back segment body，Leading portion body is fixed with the sewing of entrance net，Criny A is arranged on leading portion body，Stage casing body is screen cloth，Criny B is arranged on back segment body，The entrance of fish gathering net cage is docked with the portlet of Criny B.This apparatus structure is simple, and design is ingenious, is fished using this device, labor intensity is little.
Description
Technical field
The invention belongs to fisher technical field is and in particular to a kind of Fish trap.
Background technology
Fishing practices traditional at present face following deficiency：1st, using drawing in the net to surround and seize, manpower is many, and time-consuming, artificial at present
In the case that cost is surging, considerably increase fishing cost；2nd, fished for using traditional method and be likely to encounter water-bed barrier and scratch
Fishnet, causes fish to bore bottom and escapes, Fish harvesting inefficiency；3rd, fish in hot day, manual size specification sorting is difficult, and because
Operating time is long, and fish easily occurs stress be dead；4th, the winter dry storehouse that discharges water disposably is fished for, because listing price concentrated by marketable fish
The raising of the relatively low lower impact economic benefit of lattice.
Content of the invention
For solving the problems, such as above-mentioned prior art, the invention provides a kind of Fish trap, this apparatus structure
Simply, design is ingenious is fished using this device, easy to operate, labor intensity is little it is easy to make, and is suitable for difference waters and catches
Fish with a net class.
Realizing the technical scheme that above-mentioned purpose of the present invention adopted is：
A kind of Fish trap, including spud pile, pulley mechanism, hoist engine, device for feeding fish bait, food platform, fixing rope, lift net,
Entrance net, cage net, Criny A, Criny B and fish gathering net cage, spud pile, fixing rope, hoist engine, pulley mechanism all have two,
Pulley mechanism includes pulley and hoist cable, and two pulleys are separately fixed on two spud piles, and two hoist cables, rotating around on two pulleys, lift net
Be square, lift net have A while and during B, while parallel to B, one end of two hoist cables is connected A respectively with two hoist engines, and the other end divides
Not be not connected with two angles on lift net A side, entrance net in quadrangular frustum pyramid shaped, the large port of entrance net have C while and during D, C side parallel to
D side, D while length be less than B while length, entrance net D side fixed with lift net B side seam system, and entrance net lift net overall in winnowing pan
Shape, two angles on the large port C side of entrance net are separately fixed on two spud piles by fixing rope, cage net be divided into leading portion body,
The portlet size of stage casing body and back segment body, the arrival end of leading portion body and entrance net, mating shapes, leading portion body
Arrival end sews fixation with the portlet of entrance net, and Criny A is arranged on leading portion body, the large port vertical lap seam of Criny A
, on leading portion body, the portlet of Criny A is hanging for system, and stage casing body is screen cloth, and the mesh of stage casing body mesh sheet is more than front portion
The mesh of body mesh sheet, Criny B is arranged on back segment body, and the large port of Criny B vertically sews on back segment body, collection
The entrance of fishnet case is docked with the portlet of Criny B.
Also include Phyllostachys pubescens Mazei ex H.de Lebaie frame, the shape of the shape of Phyllostachys pubescens Mazei ex H.de Lebaie frame, size and entrance net, size match, entrance net is located at hair
In bamboo frame, the large port of entrance net is fixed on the large port of Phyllostachys pubescens Mazei ex H.de Lebaie frame by iron wire or rope, and the portlet of entrance net is passed through
Iron wire or rope are fixed in the portlet of Phyllostachys pubescens Mazei ex H.de Lebaie frame, and the arrival end of anterior body is fixed on Phyllostachys pubescens Mazei ex H.de Lebaie frame by iron wire or rope
In portlet.
It is respectively and fixedly provided with steel ring, the entrance of fish gathering net cage is fixed on steel by iron wire at the portlet of Criny A and Criny B
On circle.
It is provided with inverted beard at the portlet of Criny A.
Wherein three sides of entrance net are respectively provided with mesh sheet, another lateral opening, two in entrance net open side
Fence net, the outlet of the large port of Criny A and leading portion body are equipped with a line of arrival end of bar rib and anterior body
End sewing is fixed.Compared with prior art, advantages of the present invention and having the beneficial effects that：
1) this device utilizes the food platform feeding to lift net shop fixtures in advance for the device for feeding fish bait, is easily concentrated at food platform using Fish and ingests
Behavioral characteristic, crowded around lifting net certain altitude of slinging the shoal of fish by pulley and hoist cable, the frightened shoal of fish can automatically into entrance
Sieve in the cage net that net connects little stay big, the adult fish being sieved is caught up with and is dragged to bank again into fish gathering net cage and plays fish such that it is able to ensure harvesting
The survival rate of Fish, improves the economic worth of Fish.
2) this device is applied to different waters and carries out fishing operation, simple to operate, save labor, and normal fishing two people are
Can, greatly reduce and fish for cost.
3) this device is thrown the net lifting net and cage combinations, fishes efficiency and significantly improves.
4) this device Automatic sieve removes small fish, fishes for big fish, Fish are not damaged, thus to depositing the growth effect of pond fish
Few, enable reservoir multiple stocking and multiple fishing, be conducive to fishery market stable market supply, while improving fish crop, increase economic effect
Benefit.
5) this device plays marketable fish concentration one fish gathering net cage of entrance that fish is convenient, through having screened, and rising only need to be collection during fish
Fishnet case is dragged to bank and fishes with a net, and substantially increases the fresh and alive rate of capture fish, improves economic worth.
Brief description
Fig. 1 is the structural representation of the Fish trap of the present invention.
Fig. 2 is the structural representation of entrance net.
Fig. 3 is the structural representation of cage net.
Wherein, 1- spud pile, 2- pulley, 3- fix rope, 4- lift net, 5- Phyllostachys pubescens Mazei ex H.de Lebaie frame, 6- Criny A, 7- Phyllostachys pubescens Mazei ex H.de Lebaie, 8- steel
Circle, 9- fish gathering net cage, 10- Criny B, 11- cage net, 12- entrance net, 13- food platform, 14- device for feeding fish bait, 15- hoist cable, 16- elevator
Machine, 17-A are in, 18-B, 19-C is in, 20-D, the upper fence net of 21-, 22- leading portion body, 23- stage casing body, 24- back segment body.
Specific embodiment
With reference to Figure of description, the present invention is described in detail.
The structure of the Fish trap that the present invention provides is as shown in figure 1, this device includes spud pile 1, pulley mechanism, volume
Raise machine 16, device for feeding fish bait 14, food platform 13, fixing rope 3, lift net 4, cage net 11, Criny A6, Criny B10, Phyllostachys pubescens Mazei ex H.de Lebaie frame 5, Phyllostachys pubescens Mazei ex H.de Lebaie 7,
Entrance net 12 and fish gathering net cage 9.Spud pile 1, fixing rope 3, hoist engine 16, pulley mechanism all have two, 3, Phyllostachys pubescens Mazei ex H.de Lebaie.
Pulley mechanism includes pulley 2 and hoist cable 15, and two pulleys 2 are separately fixed on two spud piles 1, two hoist cables 15 rotating around
On two pulleys 2.In the present embodiment, hoist cable adopts 10#PE to restrict, every length 20m.
Lift net 4 be square, lift net there is A when 17 and B 18, A while 17 parallel to B while 18.One end of two hoist cables 15 is respectively
It is connected with two hoist engines 16, the other end is connected with two angles on lift net A side 16 respectively.In the present embodiment, lift net is square, lift
Net netting twine is twisted thread using PE43tex 6 × 3, and (size of mesh is generally with whole mesh length or halver for size of mesh 2a of lift net mesh sheet
Length represents, whole mesh length refers to the length of two mesh feet (including two tuberositys), is represented with " 2a ", selects from《Fresh water fishing
Learn》) it is 60mm, the length of lift net four edges is 21m, and lift net size determines according to the size in device for feeding fish bait spreading region.
As shown in Fig. 2 entrance net 12 is in quadrangular frustum pyramid shaped, the large port of entrance net 12 has C when 19 and D 20, and C side 19 is flat
Row is in D side 20.D while 19 length be less than B while 16 length, entrance net D while 20 with lift net B while 18 sewing fix, entrance net
12 lift nets 4 are overall after connecting to be in winnowing pan shape, and two angles on the large port C side 19 of entrance net 12 are solid respectively by two fixing ropes 3
It is scheduled on two spud piles 1.Entrance net plays the effect of connection lift net and cage net, is guiding Fish by the passage lifting net entrance cage net.
In the present embodiment, entrance net is in four-prism shape, and size of mesh 2a of entrance net mesh sheet is 60mm, entrance net large port four edges
Length be 14m, the length of side of portlet four edges is 4m, a length of 6.6m of rib of entrance net, and fixing rope 3 adopts 4#PE to restrict,
Every length 40m.
As shown in figure 3, cage net 11 is divided into leading portion body 22, stage casing body 23 and back segment body 24.The entering of leading portion body 22
The portlet size of mouth end and entrance net 12, mating shapes.The arrival end of leading portion body 22 is stitched with the portlet of entrance net 12
System is fixed.Criny A6 is arranged on leading portion body 22, the large port of Criny A6 and leading portion body 22 cross section size, shape
Match, the large port of Criny A6 vertically sews in the exit of leading portion body 22.The portlet of Criny A6 is hanging, funnel
It is fixed with steel ring 8 at the portlet of net A6, the effect of steel ring is to strut the portlet of Criny A, facilitate Fish to enter stage casing
Body.It is provided with inverted beard, the effect of inverted beard is to prevent the Fish entering stage casing body from returning leading portion net at the portlet of Criny A6
In body.Stage casing body 23 is screen cloth, and the effect of screen cloth is that sieve small fish stays big fish, and the mesh of screen cloth mesh sheet is more than lift net, entrance net
With the mesh of cage net mesh sheet, its mesh size calculates according to the market specifications of marketable fish and determines, as fished for Fish specification is
750g, size of mesh 2a of screen cloth mesh sheet is 100mm.Criny B10 is arranged on back segment body 24, the big end of Criny B10
Mouth and back segment body 24 cross section size, mating shapes, the large port of Criny B10 vertically sews on back segment body 23.
Equally, it is fixed with steel ring 8 at the portlet of Criny B10.Wherein three sides of entrance net are respectively provided with mesh sheet, and another side is opened
Mouthful, upper fence net is equipped with a line of two ribs in entrance net open side and the arrival end of anterior body, three
Head and the tail connect upper fence net successively.When placing this trap in water body, so that entrance net is floated on the surface, and make the side of its opening
Face floats on the surface, and other parts are located in water body.In setting, the purpose of fence net is the leader being formed higher than water surface 60cm, works as lift
When playing lift net, prevent the fish having jumped from jumping out outside entrance net.
In the present embodiment, cage net is square grid, and size of mesh 2a of cage net mesh sheet is 60mm, the length of the cross section of cage net
For 4.0m, width is 2.1m, and the length of cage net is determined according to actual needs；The shape of Criny A and Criny B, size
Identical, size of mesh 2a of Criny A and Criny B mesh sheet is 60mm, and the large port of Criny A and Criny B is all in rectangular
Shape, its length is 4.0m, and width is 2.1m, and the portlet of Criny A and Criny B is all square, and its length of side is 0.5m, leakage
The large port of bucket net A is 4m with the vertical dimension of its portlet；The Zhou Changwei 2.0m of steel ring.
The shape of the shape of Phyllostachys pubescens Mazei ex H.de Lebaie frame 5, size and entrance net 12, size match, and entrance net 12 is located in Phyllostachys pubescens Mazei ex H.de Lebaie frame 5,
The large port of entrance net 12 is exaggerated to be fixed on the large port of Phyllostachys pubescens Mazei ex H.de Lebaie frame 5 by iron wire or rope, in the portlet of entrance net 12
Guiding principle is fixed in the portlet of Phyllostachys pubescens Mazei ex H.de Lebaie frame 5 by iron wire or rope, and entrance net 12 etting side is exaggerated solid by iron wire or rope
It is scheduled on the rib of Phyllostachys pubescens Mazei ex H.de Lebaie frame 5, the arrival end of anterior body 22 is fixed in the portlet of Phyllostachys pubescens Mazei ex H.de Lebaie frame 5 by iron wire or rope.Hair
The effect of bamboo frame is to fix entrance net further, so that entrance net is opened completely as far as possible, facilitates Fish to enter cage net by entrance net.
The shape of the portlet of the shape of the entrance of fish gathering net cage 9, size and Criny B10, size match.Collection fishnet
The entrance of case 9 is docked with the portlet of Criny B10, and the entrance of fish gathering net cage 9 is fixed on steel ring 8 by iron wire.This enforcement
In example, the netting twine of fish gathering net cage is twisted thread using PE43tex 8 × 3, and size of mesh 2a of mesh sheet is 60mm, and fish gathering net cage is rectangular
Body net cage, its length is 6m, and width is 2m, highly for 2m.
The using method of the Fish trap of the present invention is as follows：
1) addressing：Require bank slope slightly steep, slope leveling, waterfront line is straight, leeward on the sunny side, suitably set up device for feeding fish bait, with opposite bank
Distance is in 100-200m.
2) when selecting：Select annual April to October (when water temperature is higher than 20 DEG C).
3) by elevator frame on bank, device for feeding fish bait is fixedly mounted on above suitable waters, food platform is fixed on throwing
The underface of bait machine, two spud piles are fixed on bulkhead wall, then pulley is fixed on spud pile, successively install hoist cable, lift net,
Fixing rope, entrance net, Phyllostachys pubescens Mazei ex H.de Lebaie frame, cage net, Phyllostachys pubescens Mazei ex H.de Lebaie and fish gathering net cage, Criny A and Criny B is in advance already installed on cage net
On, the steel ring of Criny A is fastened and ties up after rope on the Phyllostachys pubescens Mazei ex H.de Lebaie of middle part body, adjusting marline makes the portlet of Criny A hang
In body net center, by the large port tying of Criny B, so far, whole device is installed and assembling finishes.
4) lift net, entrance net, cage net and fish gathering net cage are put in water, so that lift net is located at the top and just be located at food platform
Lower section, entrance net (Phyllostachys pubescens Mazei ex H.de Lebaie frame can make it open fixing and float on the surface) and cage net float on the surface, and cage net can pass through coarse wool
Bamboo 7 so that it is strutted and fix (as shown in figure 1, coarse wool bamboo struts cage net fixing cage net when using this device, coarse wool simultaneously
Bamboo may also provide buoyancy makes cage net float on the surface), a rope is respectively pricked at the two ends of the coarse wool bamboo of fixing cage net rear end body
It is pulled to opposite bank and ties up stake and fix.
5) device for feeding fish bait is dosed on food platform, traps the shoal of fish and ingests in the online gathering of lift.
6) after having enough shoals of fish to assemble and ingesting, open hoist engine, pull hoist cable, thus pulling lift net, lift net is upwards
Bending is surrounded, and the shoal of fish is surrounded, and the shoal of fish is frightened, by entrance net automatically into the leading portion body of cage net, then is entered by Criny A
Stage casing body, in the body of stage casing, Automatic sieve is little stays greatly.
7), after general two hours, shoal of fish screening terminates, and at this moment can untie the tying of the large port of Criny B, in cage net
The shoal of fish is caught up with into fish gathering net cage by steel ring.
8) fish gathering net cage is dissociated from Criny B, tie fish gathering net cage mouth rear dragging and play fish to bank.
Claims (5)
1. a kind of Fish trap, including spud pile, spud pile have two it is characterised in that：Including pulley mechanism, elevator
Machine, device for feeding fish bait, food platform, fixing rope, lift net, entrance net, cage net, Criny A, Criny B and fish gathering net cage, spud pile, fixation
Rope, hoist engine and pulley mechanism all have two, and pulley mechanism includes pulley and hoist cable, and two pulleys are separately fixed at two spud piles
On, rotating around on two pulleys, lift net is square two hoist cables, lift net have A while and during B, A while parallel to B, the one of two hoist cables
End is connected with two hoist engines respectively, and the other end is connected with two angles on lift net A side respectively, and entrance net is in quadrangular frustum pyramid shaped, entrance net
Large port have C while and during D, C while parallel to D, D while length be less than B while length, entrance net D side and lift net B side seam
System is fixed, and entrance net lift net entirety is in winnowing pan shape, and two angles on the large port C side of entrance net are separately fixed at by fixing rope
On two spud piles, cage net is divided into the small end of leading portion body, stage casing body and back segment body, the arrival end of leading portion body and entrance net
Mouth size, mating shapes, the arrival end of leading portion body sews fixation with the portlet of entrance net, and Criny A is arranged on leading portion
On body, the large port of Criny A vertically sews on leading portion body, and the portlet of Criny A is hanging, and stage casing body is sieve
Net, the mesh of stage casing body mesh sheet is more than the mesh of anterior body mesh sheet, and Criny B is arranged on back segment body, Criny B's
Large port vertically sews on back segment body, and the entrance of fish gathering net cage is docked with the portlet of Criny B.
2. Fish trap according to claim 1 it is characterised in that：Also include Phyllostachys pubescens Mazei ex H.de Lebaie frame, the shape of Phyllostachys pubescens Mazei ex H.de Lebaie frame, big
Little shape with entrance net, size match, and entrance net is located in Phyllostachys pubescens Mazei ex H.de Lebaie frame, and the large port of entrance net passes through iron wire or rope is solid
It is scheduled on the large port of Phyllostachys pubescens Mazei ex H.de Lebaie frame, the portlet of entrance net is fixed in the portlet of Phyllostachys pubescens Mazei ex H.de Lebaie frame by iron wire or rope, anterior
The arrival end of body is fixed in the portlet of Phyllostachys pubescens Mazei ex H.de Lebaie frame by iron wire or rope.
3. Fish trap according to claim 2 it is characterised in that：Equal at the portlet of Criny A and Criny B
It is fixed with steel ring, the entrance of fish gathering net cage is fixed on steel ring by iron wire.
4. Fish trap according to claim 3 it is characterised in that：It is provided with inverted beard at the portlet of Criny A.
5. Fish trap according to claim 4 it is characterised in that：Wherein three sides of entrance net are respectively provided with net
Piece, another lateral opening, in a line of two ribs in entrance net open side and the arrival end of anterior body all
It is provided with fence net, the large port of Criny A sews fixation with the port of export of leading portion body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611125717.4A CN106472438A (en) | 2016-12-09 | 2016-12-09 | A kind of Fish trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611125717.4A CN106472438A (en) | 2016-12-09 | 2016-12-09 | A kind of Fish trap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106472438A true CN106472438A (en) | 2017-03-08 |
Family
ID=58276014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611125717.4A Pending CN106472438A (en) | 2016-12-09 | 2016-12-09 | A kind of Fish trap |
Country Status (1)
| Country | Link |
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| CN (1) | CN106472438A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107494471A (en) * | 2017-10-10 | 2017-12-22 | 赣州市水产研究所 | A kind of efficient fish catching equipment and its fishing method |
| CN109221036A (en) * | 2018-09-06 | 2019-01-18 | 青岛博鲁泽海洋科技有限公司 | A kind of device fishing cultured fishes in batches for huge net cage |
| CN109247310A (en) * | 2018-09-19 | 2019-01-22 | 上海海洋大学 | A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type |
| CN113417246A (en) * | 2021-06-29 | 2021-09-21 | 刘国印 | Ecological environment control device for hydraulic engineering |
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| CN109247310A (en) * | 2018-09-19 | 2019-01-22 | 上海海洋大学 | A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type |
| CN113417246A (en) * | 2021-06-29 | 2021-09-21 | 刘国印 | Ecological environment control device for hydraulic engineering |
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Application publication date: 20170308 |