CN109247310A - A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type - Google Patents
A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type Download PDFInfo
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- CN109247310A CN109247310A CN201811091809.4A CN201811091809A CN109247310A CN 109247310 A CN109247310 A CN 109247310A CN 201811091809 A CN201811091809 A CN 201811091809A CN 109247310 A CN109247310 A CN 109247310A
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- net
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
Abstract
The present invention is supplied to the method and facility of a kind of fresh and alive fishes fishing of fisheries resources conservation type, selection is suitable for the immediate offshore area for laying large-scale networking, and the resource in fishing ground, the landform in sea area, landforms and flow velocity, flow direction are investigated, networking etting and frame are designed according to fishing ground investigation.Fixed main push-towing rope rope, keeps fence net and shoal of fish migration or travelling route substantially vertical, it is ensured that fence net and body net are laid from phytal zone to profundal zone in order.It selects suitable mooring system, buoyancy and settling capacity to be equipped with, mesh sheet is hung on frame, connect each section etting.Balance the maintenances such as the settling capacity of the fixed force of mooring system, the buoyancy of float, etting and sinker, to keep required shape.Will be according to fishing season difference, fish is primary from every 1 ~ 2 day.This method can be widely applied to immediate offshore area, effectively improves the escapement ratio of juvenile fish, reduces the escape death rate, is the effective means of immediate offshore area resource maintenance.
Description
Technical field
The invention belongs to catch and fishery conservation technical field, and in particular to a kind of fisheries resources conservation type fresh and alive fish
The method and facility of class fishing.
Background technique
Unreasonable China's traditional " fishing season " that results in of overfishing and Fishing Gear and Fishing Method disappears substantially, and catches present small-sized
Change, become younger trend, and the phenomenon that fishery resources continuous downturn, fails effectively to be contained, has entered the slump of disastrous proportions phase.
Currently, in main offshore catching method, there are following features for gill net fishing: single variety, large labor intensity, no
Manageability, and it is at high cost, income is small.It is influenced by bad weather leeward, stream, gill net is easy to be lost, forms ocean rubbish, not only right
Fish or marine mammal cause to seriously endanger, and can also wind propeller for vessels, influence normal/cruise.In addition, throwing the net to fishing
Industry resource, especially sub- postlarva harm are big；And Optimization of Low Value Fish and juvenile fish proportion are excessively high in catches, are only second to trawlnet.Trawlnet
Catches in Optimization of Low Value Fish and juvenile fish proportion can reach 70%, and energy consumption is high, pollution water quality, and especially otter-trawl can be to close
Bank marine environment does great damage.
Traditional Fishing Gear and Fishing Method, juvenile fish ratio is excessive in fishery harvesting, and quality is lower.If these juvenile fish of studies have shown that after
It renews and lives 1 ~ 2 year, stock number is caught in annual offer about 18% later, and catches economic value is higher.
Traditional Fishing Gear and Fishing Method all in capture fish by every means, reduces the escapement ratio of networking fish, therefore produces very
Fishing gear mostly without offspring causes serious destruction to fishery resources, is unfavorable for the sustainable development of fishery.In addition, the fish to escape by sheer good luck
Class is squeezed and cable frictionally damage, and escape catches survival rate is also very low.And current fishing village aging of population, fishery labour
Power is further reduced, and many fishermen are unsuitable to carry out high-intensitive fishing operation.
It is mesh in consideration of it, studying environmentally friendly, the resource maintaining Fishing Gear and Fishing Method that a kind of labor intensity is low, income is high
The most important thing of preceding fishery conservation.
Summary of the invention
The object of the present invention is to provide the methods and facility of a kind of fresh and alive fishes fishing of fisheries resources conservation type, existing to overcome
There is the deficiency of technology.
In order to achieve the above objectives, the present invention take the specific technical proposal is:
A kind of method of the fresh and alive fishes fishing of fisheries resources conservation type, comprising the following steps:
(1) selection is suitable for the immediate offshore area for laying large-scale networking first: progress fishing ground investigation first, the resource tune including sea area
It looks into, landform, topographic feature survey and the flow velocity in sea area in sea area, flow direction investigation；Networking design, packet are carried out further according to fishing ground investigation
Include etting design and networking Frame Design；
(2) fixed main push-towing rope rope being flowed to according to sea-floor relief and fishing ground, it is ensured that networking is laid at an angle with water front, trend, with
Keep fence net and shoal of fish migration or travelling route substantially vertical, ensures fence net and body net in order from phytal zone to depth on this basis
Pool laying；It selects mooring system, float and settling capacity to be equipped with, makes the fixed force of mooring system, the buoyancy of float, precipitation apparatus
The maintenances balance such as settling capacity, to keep stable state；
(3) will be according to fishing season difference, fish is primary from every 1 ~ 2 day.
Further, the resource investigation in the fishing ground sea area includes shoal of fish type, main fingerling substantially come the amount of trip, dwell
The breath depth of water, seasonal variations, the investigation of migration route of the Various Seasonal shoal of fish etc., especially main fished species belong to bottom, also
It is the investigation of pelagic fishes etc..
Further, the landform in the fishing ground sea area, topographic feature survey include offshore change in depth, isobath and neighbouring
The investigation of island distribution；It is required that seabed is relatively flat, and isobath comparatively dense, nearby there are artificial reef or natural reef etc..
Further, the flow velocity in the fishing ground sea area, flow direction investigation include flow velocity, the stream of Various Seasonal in addition to typhoon
To the especially investigation of maximum flow rate, tidal range, wave height etc.；It is required that the locating long-term flow velocity in sea area is no more than 1 section or so, tidal range compared with
It is small.
A kind of facility of the fresh and alive fishes fishing of fisheries resources conservation type, the facilitation agent are networking (1), the networking
(1) main body includes netting system and is used to support the mooring system for stablizing the netting system, and netting system forms hemi-closure space
For fishing；The netting system is made of fence net (3), curtain net (11) and body net；The fence net (3) and body net side be equipped with into
Mouth, as front entrance (9) and rear entrance (10)；The mooring system includes main push-towing rope rope (2) and branch hawser (8) and sinker (5)
With float (4)；The space that the body net surrounds, successively every being divided into the sports ground (6) of inlet, step on net field (7) and first segment
Net cage (12) and second segment net cage (13).
Further, the sinker (5) is anchorage or sandbag.
Networking design in, the depth of water h of fence net and entrance intersection, be decision networking various pieces size referring generally to
Value: front entrance width is 0.8 ~ 1.5 times of depth of water h；Rear entrance width is 50% or so of front entrance width；Movement field length is water
2.5 ~ 3.5 times of deep h；Body net maximum width is 1.0 ~ 1.5 times of depth of water h, body net maximum width in fishing banks in deep water fishing ground
For 1.5 ~ 2.0 times of depth of water h；1.2 ~ 1.8 times that net length is depth of water h are stepped on outside；The total length of first segment net cage and second segment net cage
It is 1.5 ~ 3.0 times of depth of water h, wherein torrent fishing ground takes 2.0 times or more；The closed end width of sports ground is the 0.5 ~ 1.2 of depth of water h
Times；First segment net cage width is 0.5 ~ 1.5 times of depth of water h, can also be determined according to the length of net-hauling ship and the quantity of ship；Step on net field
Exit width is 50% or so of net cage width；Inside step on 1/3 or so that net length is net cage length；Curtain net width is body net width
1/3 or so；Net field bottom end gradient is stepped at 15 ° ~ 25 °；Wherein, inside stepping on net is to step on net field depth to enter length in first segment net cage
Degree, stepping on net outside is to step on net field total length to remove the interior length for stepping on net.
Further, the fence net, sports ground, step on net, the size of mesh of net cage reduces step by step.
Further, the second segment cage netting uses square mesh.
Further, the mooring system is the mooring of scattering formula, it is ensured that networking displacement is smaller.
Further, it is divided into 1 ~ 2 day between the fish, the best fishing period rises fish 1 time daily, fish 1 time from 2 days other times.
Further, in the method, when locating sea area welcomes typhoon, each section etting of networking is withdrawn in advance,
Frame part does not recycle, and again hangs etting again after typhoon, can effectively avoid damage caused by typhoon.
Technology path of the invention is that large-scale networking is laid in immediate offshore area, directly utilizes the traveling of fence net cutting fish
Route, and the habit that can be moved about along fence net to deep-sea after being hindered using most fish, induce it to enter networking.The present invention is real
It is closer to apply sea area offshore, the marine round-trip and activity duration is relatively small, and required fishing boat is smaller, and operating cost is relatively low.
The present invention uses the fence net of large mesh size, and specific size of mesh is determined according to target fingerling, it is made to be only capable of hindering
The larger fish of individual, advance to juvenile fish and have little effect；And the networking shoal of fish has certain chance to escape from the forward and backward entrance of body net
Ease, the fish that do not escape enter net cage by stepping on net, and the sports ground of selected large size networking and the space of net cage are larger, networking fish
It can move freely to a certain extent, be finally reached living body fishing, and the size of mesh by suitably amplifying net cage, can discharge
Juvenile fish is conducive to the protection of resources in coastal fishing ground.The square mesh that net cage uses is conducive to the lesser fishery harvesting escape of individual, and mentions
High fish escape survival rate.The present invention needs a large amount of cement sinker, sandbag and steel cable to fix, these mooring systems can also rise
To the effect of artificial marine habitat, and be easy to adhere to seaweed, shellfish etc., increase surrounding food organisms, improves marine ecosystem environment, play
Trap the effect of fish.
Advantages of the present invention and technical effect:
Networking in the present invention can improve surrounding sea natural environment, moreover it is possible to prevent other fishing boat operations such as otter-trawl, energy consumption
Low, required operating personnel is few, and labor intensity is small, and yield is big, can accomplish that living body is caught, while playing good guarantor to juvenile fish
Shield.It temporarily can also support and improve in due course the surcharge of catches, in conjunction with aquaculture net cage to increase fisherfolk income.
The present invention can be improved the escapement ratio and escape survival rate of juvenile fish；, fishing at low cost, fishery harvesting small with labor intensity
The features such as juvenile fish ratio is low in object, high efficiency, friendly resource, can be widely applied for immediate offshore area.
Detailed description of the invention
Fig. 1 is networking structure top view in the present invention.
Fig. 2 is networking structural side view in the present invention.
Wherein 1. networking, 2. main push-towing rope ropes, 3. fence nets, 4. floats, 5. sinkers, 6. sports grounds, 7. step on net field, 8. hawsers,
9. front entrance, 10. rear entrances, 11. curtain nets, 12. first segment net cages, 13. second segment net cages.
Specific embodiment
The present invention is explained further and is illustrated below by way of specific embodiment and in conjunction with attached drawing.
Embodiment 1:
A kind of method of the fresh and alive fishes fishing of fisheries resources conservation type, basic step is:
Selection is suitable for laying the immediate offshore area of large-scale networking, and investigate fishing ground, the resource investigation including sea area first, sea
Landform, topographic feature survey and the flow velocity in sea area in domain, flow direction investigation.Resource investigation includes shoal of fish type, and main fingerling substantially comes
You Liang, inhabites the depth of water, seasonal variations, the investigation of migration route of the Various Seasonal shoal of fish etc., and especially main fished species belong to
The investigation of bottom or pelagic fishes etc.；The landform in fishing ground sea area, topographic feature survey include offshore change in depth, isobath and
The investigation of neighbouring island distribution.It is required that seabed is relatively flat, and isobath comparatively dense, nearby there is artificial or natural reef as far as possible
Deng；The flow velocity in fishing ground sea area, flow direction investigation include the flow velocity of Various Seasonal, flow direction, especially maximum flow rate, tide in addition to typhoon
The investigation of difference, wave height etc..It is required that the locating long-term flow velocity in sea area is no more than 1 section or so, tidal range is smaller.
Embodiment 2:
As illustrated in fig. 1 and 2, a kind of facility of the fresh and alive fishes fishing of fisheries resources conservation type, which is networking 1, described
1 main body of networking include netting system and being used to support the mooring system for stablizing the netting system, netting system forms semiclosed
Space is for fishing；The netting system is made of fence net 3, curtain net 11 and body net；The body net is equipped with close to the side of fence net 3
Entrance, as front entrance 9 and rear entrance 10；The mooring system includes main push-towing rope rope 2 and branch hawser 8 and sinker 5 and float 4；
The space that the body net surrounds is divided into the sports ground 6 of inlet, steps on net field 7 and first segment net cage 12 and second segment net
Case 13.
Networking design in, the depth of water h of fence net and entrance intersection, be decision networking various pieces size referring generally to
Value: front entrance width is 0.8 ~ 1.5 times of depth of water h；Rear entrance width is 50% or so of front entrance width；Movement field length is water
2.5 ~ 3.5 times of deep h；Body net maximum width is 1.0 ~ 1.5 times of depth of water h, body net maximum width in fishing banks in deep water fishing ground
For 1.5 ~ 2.0 times of depth of water h；1.2 ~ 1.8 times that net length is depth of water h are stepped on outside；The total length of first segment net cage and second segment net cage
It is 1.5 ~ 3.0 times of depth of water h, wherein torrent fishing ground takes 2.0 times or more；The closed end width of sports ground is the 0.5 ~ 1.2 of depth of water h
Times；First segment net cage width is 0.5 ~ 1.5 times of depth of water h, can also be determined according to the length of net-hauling ship and the quantity of ship；Step on net field
Exit width is 50% or so of net cage width；Inside step on 1/3 or so that net length is net cage length；Curtain net width is body net width
1/3 or so；Net field bottom end gradient is stepped at 15 ° ~ 25 °；Wherein, inside stepping on net is to step on net field depth to enter length in first segment net cage
Degree, stepping on net outside is to step on net field total length to remove the interior length for stepping on net.
Fixed main push-towing rope rope 2 is flowed to according to the resulting sea-floor relief of investigation and fishing ground, it is ensured that networking 1 and water front, trend are in one
Determine angle laying, keep fence net 3 and shoal of fish migration or travelling route substantially vertical, basis ensures fence net 3 and body net in order herein
It is laid from phytal zone to profundal zone.Suitable mooring system, buoyancy and settling capacity is selected to be equipped with, fixed anchorage, sandbag, float 4,
Mesh sheet is hung on frame, connects each section etting.Make mooring system scattering formula mooring, it is ensured that the displacement of networking 1 is smaller, and needs
Ensure the maintenances such as the settling capacity of the buoyancy of its fixed force and float 4, etting and sinker 5 balance, with the shape needed for keeping；It is described
Fence net 3 possess maximum size of mesh, sports ground 6, step on net 7, the size of mesh of net cage reduces step by step；13 net of second segment net cage
Clothing uses square mesh.
Will be according to fishing season difference, fish is primary from every 1 ~ 2 day.It, can be in advance by each of networking 1 when locating sea area welcomes typhoon
Part etting is withdrawn, and frame part does not recycle, again hangs etting again after typhoon, can effectively avoid typhoon infringement.
Embodiment 3:
Structure is complicated for Yangtze River Estuary and its adjacent sea areas, function is unique, is the place that many biotic populations breed, raise an infant and inhabit,
It is trace back river and the only way which must be passed for dropping extra large type migration, wherein Bombay duck is annual sociales.Flow velocity is selected to be no more than 1 section left
The right side, tidal range is smaller, and seabed is relatively flat, and isobath comparatively dense, nearby there is the sea area of reef.Time in autumn entrance of Changjiang River is average single
Position output per net highest carries out networking 1 in the sea area of sea area selection tide climax depth of water 24m and lays.
Etting is designed, since depth of water h is 24m, design 3 height of fence net is 24m；Width is at front entrance 9
1.2 times or so of depth of water h, i.e. 28.8m；Width is 50% or so of width at front entrance 9, i.e. 14.4m at rear entrance 10；Movement
6 length of field are 3.0 times or so of depth of water h, i.e. 72m；The maximum width of body net is 1.5 times or so of depth of water h, i.e. 36m；Net is stepped on outside
Length is 1.5 times or so of depth of water h, i.e. 36m；The total length of first segment net cage and second segment net cage is 2.0 times of left sides of depth of water h
The right side, i.e. 48m；0.8 times or so the i.e. 19.2m that 6 closed end width of sports ground is depth of water h；First segment net cage width is depth of water h's
1.0 times or so, i.e. 24m；Stepping on net 7 exit width of field is 50% or so of first segment net cage width, i.e. 12m；Inside stepping on net length is the
1/3 or so of the total length of one section of net cage and second segment net cage, i.e. 16m；11 width of curtain net is 1/3 or so of body net width, i.e.,
12m；The bottom angled degree for stepping on net field 7 is 20 °.
According to resulting sea-floor relief and the fixed main push-towing rope rope 2 of fishing ground flow direction is investigated, make fence net 3 and shoal of fish migration or traveling road
Line is substantially vertical, keeps body net substantially parallel with isobath, i.e., fence net 3 is perpendicular to isobath, it is ensured that fence net 3 and body net in order by
Phytal zone is laid to profundal zone.Suitable mooring system, buoyancy and settling capacity is selected to be equipped with, fixed anchorage, sandbag, float 4,
Mesh sheet is hung on frame, connects each section etting.Make mooring system scattering formula mooring, it is ensured that the displacement of networking 1 is smaller, and needs true
The maintenances such as the settling capacity of the buoyancy of its fixed force and float 4, etting and sinker 5 balance is protected, with the shape needed for keeping.In main push-towing rope
2 surroundings of restricting scattering formula stone is sunk with concrete and stone sand bag is fixed, the branch being connected with main push-towing rope rope 2 is then laid according to Fig. 1 and Fig. 2
Hawser 8.Heavy three, the stone of the concrete of 500kg is connected by upside main push-towing rope rope 2 with the plastic float 4 that buoyancy is 800kg.
Heavy eight, the stone of the concrete of 1000kg, the heavy stone of six of them concrete are 1200kg's by left side main push-towing rope rope 2 and two buoyancy
Tie Tong float 4 is connected, other two concrete sinks stone and is connected by right side main push-towing rope rope 2 with Liang Ge Tie Tong float 4.29 300kg
Stone sand bag laid in 2 surrounding of main push-towing rope rope scattering formula, in conjunction with the float 4 of 168 buoyancy 5kg, the sports ground 6 of fixed networking 1 is stepped on
Net the frame of field 7, net cage.Again with the frame of float 4 and the fixed fence net 3 of sinker 5.
With fishing boat transport etting, on 1 frame of networking respectively 6 etting of carry sports ground, step on net 7 etting of field, cage netting,
And adjacent etting is connected, last 3 etting of carry fence net.Wherein the mesh of fence net 3 is maximum, size of mesh 180mm；6 net of sports ground
Clothing size of mesh 75mm；Step on net 7 size of mesh 60mm of field；12 size of mesh 45mm of first segment net cage, second segment net cage 13 use
Square mesh, size of mesh 30mm.
Daily early morning drives fishing boat fish in net cage bunt, completes fishing.
If any typhoon, each section etting is recycled in advance, only stays frame fixation after original place, typhoon, by etting
Again it hangs up, starts fishing operation.
Operating cost can be greatly reduced in the present invention, prevent other fishing boat operations such as otter-trawl, to offshore fishery resources, especially
It is that juvenile fish resource is played and is effectively protected, is used for a long time, can be improved about 18% and catch stock number, be effectively improved sea area resources ring
Border.Annual sociales of the Bombay duck as Yangtze River Estuary and its adjacent sea areas, body is soft, easily impaired during fishing, reduces it
Economic value.It is caught using the present invention, not only yield is big, additionally it is possible to ensure preferable fishery harvesting quality, accomplishes that living body is caught,
Unit catches price increases by 20% or more, significantly improves fisherman's income.
Claims (10)
1. a kind of method of the fresh and alive fishes fishing of fisheries resources conservation type, which comprises the following steps:
(1) selection is suitable for the immediate offshore area for laying large-scale networking first: progress fishing ground investigation first, the resource tune including sea area
It looks into, landform, topographic feature survey and the flow velocity in sea area in sea area, flow direction investigation；Networking design, packet are carried out further according to fishing ground investigation
Include etting design and networking Frame Design；
(2) fixed main push-towing rope rope being flowed to according to sea-floor relief and fishing ground, it is ensured that networking is laid at an angle with water front, trend, with
Keep fence net and shoal of fish migration or travelling route substantially vertical, ensures fence net and body net in order from phytal zone to depth on this basis
Pool laying；It selects mooring system, float and settling capacity to be equipped with, makes the fixed force of mooring system, the buoyancy of float, precipitation apparatus
The maintenances balance such as settling capacity, to keep stable state；
(3) will be according to fishing season difference, fish is primary from every 1 ~ 2 day.
2. the method as described in claim 1, which is characterized in that the resource investigation in the fishing ground sea area includes shoal of fish type,
Main fingerling substantially come the amount of trip, inhabit the depth of water, seasonal variations, the investigation of migration route of the Various Seasonal shoal of fish etc., especially
Main fished species belong to the investigation of bottom or pelagic fishes.
3. the method as described in claim 1, which is characterized in that the landform in the fishing ground sea area, topographic feature survey include offshore
The investigation of change in depth, isobath and the distribution of neighbouring island；Its requirement is relatively flat for seabed, and isobath comparatively dense, attached
Closely there are artificial reef or natural reef.
4. the method as described in claim 1, which is characterized in that the flow velocity in the fishing ground sea area, flow direction investigation include removing platform
Outside wind, the flow velocity of Various Seasonal, flow direction, the especially investigation of maximum flow rate, tidal range, wave height；It is required that the long-term flow velocity in locating sea area
No more than 1 section or so, tidal range is smaller.
5. a kind of facility of the fresh and alive fishes fishing of fisheries resources conservation type, which is characterized in that the facilitation agent is networking (1), institute
Networking (1) main body stated includes netting system and is used to support the mooring system for stablizing the netting system, and netting system forms half
Enclosure space is for fishing；The netting system is made of fence net (3), curtain net (11) and body net；The fence net (3) and body net one
Side is equipped with entrance, as front entrance (9) and rear entrance (10)；The mooring system includes main push-towing rope rope (2) and branch hawser (8), with
And sinker (5) and float (4)；The space that the body net surrounds, successively every be divided into the sports ground (6) of inlet, step on net field (7) with
And first segment net cage (12) and second segment net cage (13).
6. facility as claimed in claim 5, which is characterized in that the fence net, sports ground, the size of mesh for stepping on net, net cage
Reduce step by step.
7. facility as claimed in claim 5, which is characterized in that the second segment cage netting uses square mesh.
8. facility as claimed in claim 5, which is characterized in that the mooring system is the mooring of scattering formula, it is ensured that networking position
It moves smaller.
9. the method as described in claim 1, which is characterized in that be divided into 1 ~ 2 day between the fish, the best fishing period plays fish 1 daily
It is secondary, fish 1 time from 2 days other times.
10. the method as described in claim 1, which is characterized in that when locating sea area welcomes typhoon, in advance by each portion of networking
Subnetting clothing is withdrawn, and frame part does not recycle, again hangs etting again after typhoon, can effectively avoid damage caused by typhoon.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091809.4A CN109247310A (en) | 2018-09-19 | 2018-09-19 | A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type |
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| CN201811091809.4A CN109247310A (en) | 2018-09-19 | 2018-09-19 | A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type |
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Cited By (2)
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| CN111642469A (en) * | 2020-06-04 | 2020-09-11 | 中国水产科学研究院东海水产研究所 | Bag-shaped net and method for acquiring escape rate of caught object from trawl mesh by using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111642469A (en) * | 2020-06-04 | 2020-09-11 | 中国水产科学研究院东海水产研究所 | Bag-shaped net and method for acquiring escape rate of caught object from trawl mesh by using same |
| CN111642469B (en) * | 2020-06-04 | 2022-08-19 | 中国水产科学研究院东海水产研究所 | Bag-shaped net and method for acquiring escape rate of caught object from trawl mesh by using same |
| CN113575528A (en) * | 2021-07-30 | 2021-11-02 | 海南福港远洋渔业有限公司 | Far deep sea fishing method |
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Application publication date: 20190122 |