CN210841173U - Polyculture type deepwater anti-wind wave net cage - Google Patents

Polyculture type deepwater anti-wind wave net cage Download PDF

Info

Publication number
CN210841173U
CN210841173U CN201920895264.6U CN201920895264U CN210841173U CN 210841173 U CN210841173 U CN 210841173U CN 201920895264 U CN201920895264 U CN 201920895264U CN 210841173 U CN210841173 U CN 210841173U
Authority
CN
China
Prior art keywords
floating pipe
net cage
pipe
hanging
pin
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
CN201920895264.6U
Other languages
Chinese (zh)
Inventor
庄建
庄希冰
庄宏表
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.)
Hai Hai Bao Marine Technology Co ltd
Original Assignee
Hai Hai Bao Marine Technology 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 Hai Hai Bao Marine Technology Co ltd filed Critical Hai Hai Bao Marine Technology Co ltd
Priority to CN201920895264.6U priority Critical patent/CN210841173U/en
Application granted granted Critical
Publication of CN210841173U publication Critical patent/CN210841173U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Landscapes

  • Farming Of Fish And Shellfish (AREA)

Abstract

The utility model provides a mixed culture type deepwater anti-storm net cage, which comprises a net cage floating frame, wherein the net cage floating frame comprises an inner floating pipe and an outer floating pipe which are arranged inside and outside, the inner floating pipe and the outer floating pipe are connected through a bracket base, and the bracket base is provided with hanging holes for hanging a culture net; the radial periphery of the outer floating pipe is also provided with an edge floating pipe; the edge floating pipe is connected with the outer floating pipe through a connecting mechanism, and a hanging row for hanging and cultivating shellfish is laid above the area between the edge floating pipe and the outer floating pipe. This patent has increased marginal floating pipe and coupling mechanism, realizes the support of hanging row of shellfish farming usefulness, has realized following advantage: 1) simultaneously breed a plurality of breeds such as fish, shellfish and the like. 2) The hanging row for hanging the shellfish is arranged at the outermost periphery, fish excrement and residual bait of the culture net cage can float out to fertilize plankton in seawater, so that the shellfish can obtain sufficient food. The suspended shellfish can block the flow of the fish-farming net cage, so that the net cage can reduce the culture volume loss caused by ocean current.

Description

Polyculture type deepwater anti-wind wave net cage
Technical Field
The utility model relates to the technical field of machinery, concretely relates to aquaculture net case.
Background
With the continuous decline of offshore fishery resources in China, in order to protect the fishery resources at risk at offshore of China, the state starts to come out from eighties years of the last century and carries out a 'fallow period' system, and the 'double control' measures for controlling the number of ships and the power number of the marine fishing vessels are implemented, so that the zero increase and the negative increase of the yield of the marine fishery are required to be realized, and the fishery development strategy is changed from catching to mainly breeding. The sea and fresh water cage culture of China is supported by not only the policies of all levels of governments of China and places, but also the financial aspects of all levels of governments, and under the call of the policies, the sea and fresh water cage culture of China is in a rapid development trend. Particularly in mariculture, the development has progressed from small net cage culture in nearshore and estuary to open sea deepwater culture; the culture volume of a single net cage has developed from tens of cubic meters to hundreds of cubic meters to thousands of cubic meters; the water depth of the culture water area develops from the near bank and the estuary to the open sea water area with the water depth of 20-30 m, and the culture water area tends to develop to a deeper water area.
At present, although various forms of aquaculture net cages exist in China and countries all over the world, such as 'lifting type net cages', 'sinking type net cages', 'floating rope type net cages' and 'floating frame type net cages', the 'circular floating frame type' anti-wind wave net cages are the most of the aquaculture net cages. China is the country producing and using the round floating frame type net cages most in the world. However, the net cage has the defect that one net cage can only breed one variety but cannot breed a plurality of varieties.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a unrestrained box with a net of formula deep water anti-wind of polyculturing to solve the single technical problem of current box with a net breed variety number.
The technical scheme of the utility model is that: a mixed culture type deepwater storm-resistant net cage comprises a net cage floating frame, wherein the net cage floating frame comprises an inner floating pipe and an outer floating pipe which are arranged inside and outside, the inner floating pipe and the outer floating pipe are connected through a support base, and a hanging hole for hanging a culture net is formed in the support base; the device is characterized in that an edge floating pipe is further arranged on the radial periphery of the outer floating pipe;
the edge floating pipe is connected with the outer floating pipe through a connecting mechanism, and a hanging row for hanging and cultivating shellfish is laid above the area between the edge floating pipe and the outer floating pipe;
the hanging row is fixed on at least one of the edge floating pipe, the outer floating pipe and the connecting mechanism through an auxiliary fixing piece.
The improvement of the net cage floating frame structure of this patent has increased marginal floating pipe and coupling mechanism, is convenient for realize the support of hanging row that shellfish was bred usefulness, and then has realized following advantage: 1) simultaneously breed a plurality of breeds such as fish, shellfish and the like. 2) The hanging row for hanging the shellfish is arranged at the outermost periphery, fish excrement and residual bait of the culture net cage can float out to fertilize plankton in seawater, so that the shellfish can obtain sufficient food. 3) The breeding netting is made of flexible chemical fiber materials, the effective breeding volume of the net cage can be lost under the influence of ocean tidal current, if a strip of cultured shellfish is hung around the breeding netting, the effective breeding volume can play a role of blocking current for the net cage to a certain extent, the net cage can reduce the influence of the tidal current on the breeding volume of the net cage, and after the current speed in the net cage is reduced, the fish bait fed in the net cage can be reduced by the amount of the fish bait drifting out of the net cage, the bait utilization rate is improved, and the breeding cost is reduced.
Further preferably, the auxiliary fixing member may be at least one of a strap, a pin, and a bolt. The hanging row is convenient to realize the fixed laying of the self-weight of the auxiliary fixing piece and the shellfish above the area between the edge floating pipe and the outer floating pipe.
Further preferably, the connecting mechanism comprises an outer T-shaped joint, an inner T-shaped joint and a supporting rod;
the outer T-shaped joint is provided with a through hole for penetrating through the edge floating pipe, and the outer T-shaped joint is sleeved on the periphery of the edge floating pipe;
the inner T-shaped joint is provided with a through hole for penetrating through the outer floating pipe, and the inner T-shaped joint is sleeved on the periphery of the outer floating pipe;
the outer T-shaped joint is connected with one end of the supporting rod in a welding manner;
the inner T-shaped joint is connected with the other end of the supporting rod in a welding mode.
The fixation between the outer floating pipe and the edge floating pipe is convenient to realize.
Further preferably, the hanging row comprises row beams and stringers which are arranged in a crossed manner, and the crossed part of the row beams and the stringers is fixed through a fixing piece;
the fixing piece is a fiber rope or a metal wire;
the row beam is made of bamboo strips, bamboo tubes, wood strips, plastic tubes, plastic strips, metal tubes or metal strips;
the purlin is bamboo strip, bamboo tube, wood strip, plastic tube, plastic strip, metal tube or metal strip.
Further preferably, the stringer increases in length from the outer pontoon to the edge pontoon.
The non-interference laying among a plurality of compound hanging rows is facilitated.
Preferably, the support base is provided with an extending pipe extending upwards, an upright post is inserted into the extending pipe, the upright post and the extending pipe of the support base are both provided with pin holes for penetrating the same pin, and the upright post and the support base are fixedly connected through the pin;
the top of the upright post is connected with the armrest pipe through a T-shaped armrest joint;
the handrail tube and the T-shaped handrail joint are provided with pin holes for inserting the same pin, and the handrail tube is fixedly connected with the handrail joint through the pin;
the pin includes that the axial sets gradually pin awl, draw-in groove and pin cap, the external diameter of pin awl is from being close to the draw-in groove to keeping away from the draw-in groove and diminishing gradually, the external diameter of draw-in groove is less than the maximum external diameter and the pin cap of pin awl are close to the external diameter of draw-in groove side.
The fixing effect of the bracket base, the upright post and the handrail tube can be ensured conveniently. Through the structure of optimizing the pin, can play the effect of falling the card after the tight round pin of being convenient for, prevent that this pin from deviating from.
The T-shaped handrail joint comprises two through heads and a through head, the two through heads are used for penetrating through the handrail tube, the direction of the central axis of the through head is vertical, and the two through heads are connected with the through head to form the T-shaped handrail joint.
Is convenient for ensuring the fixation with the handrail tube and the upright post.
Drawings
Fig. 1 is a partial plan view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
fig. 3 is a schematic structural view of the hanging row of the present invention;
FIG. 4 is a cross-sectional view of the outer T-joint of the present invention;
fig. 5 is a schematic structural view of the bracket base of the present invention;
fig. 6 is a schematic structural diagram of the pin of the present invention.
In the figure: 1 is an inner floating pipe, 2 is an outer floating pipe, 3 is an edge floating pipe, 4 is a support rod, 5 is an outer T-shaped joint, 6 is an inner T-shaped joint, 7 is a support base, 8 is an upright column, 9 is an armrest pipe, 10 is a T-shaped armrest joint, 11 is a pin, 12 is a hanging row, 51 is a through hole, 52 is a blind hole, 121 is a row beam, 122 is a stringer, 71 is an extension pipe, and 72 is a floating pipe jack.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Specific example 1: referring to fig. 1 to 6, the mixed culture type deepwater storm-resistant net cage comprises a net cage floating frame, wherein the net cage floating frame comprises an inner floating pipe 1, an outer floating pipe 2 and an edge floating pipe 3 which are arranged inside and outside.
The inner floating pipe 1 is connected with the outer floating pipe 2 through a support base 7, and a hanging hole for hanging a cultivation netting is formed in the support base 7. Two floating pipe jacks 72 which are respectively used for penetrating the outer floating pipe and the inner floating pipe are arranged on the bracket base.
The edge floating pipe 3 is connected with the outer floating pipe 2 through a connecting mechanism, and a hanging row 12 for hanging and cultivating shellfish is laid above the area between the edge floating pipe 3 and the outer floating pipe 2. The hanging row 12 comprises row beams 121 and stringers 122 which are arranged in a crossed manner, and the crossed part of the row beams 121 and the stringers 122 is fixed through a fixing piece; the fixing piece is a fiber rope or a metal wire; the row beam 121 is a bamboo strip, a bamboo tube, a wood strip, a plastic tube, a plastic strip, a metal tube or a metal strip; the stringer is a bamboo strip, a bamboo tube, a wood strip, a plastic tube, a plastic strip, a metal tube or a metal strip. The length of the stringer gradually increases from the outer floating pipe to the edge floating pipe. Facilitating the non-interference laying among a plurality of hanging rows 12. The hanging row is fixed on at least one of the edge floating pipe, the outer floating pipe and the connecting mechanism through auxiliary fixing pieces. The auxiliary fixing member may be at least one of a strap, a pin, and a bolt. The hanging row is convenient to realize the fixed laying of the self-weight of the auxiliary fixing piece and the shellfish above the area between the edge floating pipe and the outer floating pipe.
The connecting mechanism comprises an outer T-shaped joint 5, an inner T-shaped joint 6 and a supporting rod 4; the outer T-shaped joint 5 is provided with a through hole 51 for penetrating through the edge floating pipe 3, and the outer T-shaped joint 5 is sleeved on the periphery of the edge floating pipe 3; a through hole for penetrating through the outer floating pipe 2 is formed in the inner T-shaped joint 6, and the inner T-shaped joint 6 is sleeved on the periphery of the outer floating pipe 2; the outer T-shaped joint 5 and the inner T-shaped joint 6 are both provided with blind holes 52. That is, the outer T-shaped joint 5 and the inner T-shaped joint 6 are formed by connecting a two-way pipe with two ends communicated with a single-way pipe with one end communicated with each other. The outer T-shaped joint 55 is welded with one end of the support rod 4; the inner T-shaped joint 6 is connected with the other end of the support rod 4 in a welding way. The fixation between the outer floating pipe 2 and the edge floating pipe 3 is convenient to realize.
The support base 7 is provided with an extending pipe 71 extending upwards, the upright column 8 is inserted in the extending pipe 71, pin holes for penetrating the same pin 11 are formed in the upright column 8 and the extending pipe of the support base 7, and the upright column 8 is fixedly connected with the support base 7 through the pin 11; the top of the upright post 8 is connected with an armrest pipe 9 through a T-shaped armrest joint 10; the handrail tube 9 and the T-shaped handrail joint 10 are provided with pin holes for inserting the same pin 11, and the handrail tube 9 and the handrail joint are fixedly connected through the pin 11; the pin 11 includes that the axial sets gradually pin awl, draw-in groove and pin cap, and the external diameter of pin awl is from being close to the draw-in groove to keeping away from the draw-in groove and diminishing gradually, and the external diameter of draw-in groove is less than the biggest external diameter of pin awl and the external diameter that the pin cap is close to the draw-in groove side. The fixing effect of the support base 7, the upright post 8 and the handrail tube 9 can be ensured conveniently. Through optimizing the structure of pin 11, can play the effect of falling the card after the tight round pin of being convenient for, prevent that this pin 11 from deviating from. The T-shaped handrail joint 10 comprises two through heads for penetrating the handrail pipes 9 and one through head for inserting the upright post 8, the central axis direction of the one through head is vertical, and the two through heads are connected with the one through head to form the T-shaped handrail joint 10. Is convenient for ensuring the fixation with the handrail tube 9 and the upright post 8. The outer T-joint 5, the inner T-joint 6 and the T-handrail joint 10 are of identical construction.
All parts of the net cage floating frame: except that the pin 11 is a polyethylene or nylon injection molding, the other parts are polyethylene plastic pipes or polyethylene injection molding.
The preparation method comprises the following steps: before the inner floating pipe 1 and the outer floating pipe 2 are bent into a round shape, an inner T-shaped connecting and bracket base 7 is sleeved on the inner floating pipe and the outer floating pipe according to the design requirement; before the edge floating pipe 3 is bent into a round shape, the outer T-shaped joint 5 is sleeved according to the design requirement, and after the net cage floating frame is formed, the two ends of the support rod 4 are respectively welded with the outer T-shaped joint 55 and the inner T-shaped joint 66. Before the handrail tube 9 is bent into a round shape, the T-shaped handrail joint 10 is sleeved and then welded into a round shape. Then the upper end of the upright post 8 is welded with the T-shaped handrail joint 10, the lower end is inserted into the extension pipe of the bracket base 7, a hole which is used for drilling the upright post 88 is drilled at the lower part of the extension pipe by a hand drill, the pin 11 is driven by a hand hammer, and the handrail upright post 8 and the bracket base 7 are fixed together. And finally, laying the hanging rows 12 in the area between the outer floating pipe 2 and the edge floating pipe 3, and completing the manufacture of the mixed culture type deepwater wind wave resistant net cage floating frame. The net cage floating frame is arranged in a preset sea area and then a cultivation netting is hung.
The method for polyculture of fish and shellfish by adopting the device comprises the following steps:
the cultured fishes in the net cage can be all the existing cultured varieties in the sea area, and the culture density is the same as that of the conventional net cage.
Shellfish breeding, such as oyster breeding, has several methods, firstly, the shells attached with oyster seedlings are connected in series by ropes, the middle parts are separated by bamboo tubes of about 10cm, and the shells are hung on purlins; secondly, the shell clamps or other articles attached with oyster seedlings are clamped with 1 shell every 10cm in the twisted seams of three or more polyethylene ropes with the diameter of 3-3 and 5cm, and the length of each rope is 1-3 m generally and then the shells or other articles are hung on purlins.
In the culture time, generally, fry are respectively cultured in the net cages in 4-5 months of every spring, the fry are hung and cultured on the hanging rows, and the cultured fishes and the cultured shellfish are caught after 10 months. Fish and shellfish that need to be raised for 2 years or more can be kept on until they are grown.
Has the advantages that:
1) simultaneously breed a plurality of breeds such as fish, shellfish and the like.
2) The hanging row for hanging the shellfish is arranged at the outermost periphery, fish excrement and residual bait of the culture net cage can float out to fertilize plankton in seawater, so that the shellfish can obtain sufficient food. The excrement and the residual bait of the fishes cultured in the net cage can float out of the net cage, and the matters can ensure that plankton around the net cage can be nourished to accelerate the growth and the propagation. The shellfish such as oyster and pearl oyster are filter feeding organisms, and plankton in seawater is used as food, so that the growth of the shellfish is facilitated by abundant food.
3) The breeding netting is made of flexible chemical fiber materials, the effective breeding volume of the net cage can be lost under the influence of ocean tidal current, if a strip of cultured shellfish is hung around the breeding netting, the effective breeding volume can play a role of blocking current for the net cage to a certain extent, the net cage can reduce the influence of the tidal current on the breeding volume of the net cage, and after the current speed in the net cage is reduced, the fish bait fed in the net cage can be reduced by the amount of the fish bait drifting out of the net cage, the bait utilization rate is improved, and the breeding cost is reduced.
The net cage is the net cage which is formed by the netting bound on the bracket base and is used for cultivating fish.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A mixed culture type deepwater storm-resistant net cage comprises a net cage floating frame, wherein the net cage floating frame comprises an inner floating pipe and an outer floating pipe which are arranged inside and outside, the inner floating pipe and the outer floating pipe are connected through a support base, and a hanging hole for hanging a culture net is formed in the support base; the device is characterized in that an edge floating pipe is further arranged on the radial periphery of the outer floating pipe;
the edge floating pipe is connected with the outer floating pipe through a connecting mechanism, and a hanging row for hanging and cultivating shellfish is laid above the area between the edge floating pipe and the outer floating pipe;
the hanging row is fixed on at least one of the edge floating pipe, the outer floating pipe and the connecting mechanism through an auxiliary fixing piece.
2. The polyculture-type deepwater anti-wave net cage according to claim 1, which is characterized in that: the connecting mechanism comprises an outer T-shaped joint, an inner T-shaped joint and a supporting rod;
the outer T-shaped joint is provided with a through hole for penetrating through the edge floating pipe, and the outer T-shaped joint is sleeved on the periphery of the edge floating pipe;
the inner T-shaped joint is provided with a through hole for penetrating through the outer floating pipe, and the inner T-shaped joint is sleeved on the periphery of the outer floating pipe;
the outer T-shaped joint is connected with one end of the supporting rod in a welding manner;
the inner T-shaped joint is connected with the other end of the supporting rod in a welding mode.
3. The polyculture-type deepwater anti-wave net cage according to claim 1, which is characterized in that: the hanging row comprises row beams and stringers which are arranged in a crossed manner, and the crossed part of the row beams and the stringers is fixed through a fixing piece;
the fixing piece is a fiber rope or a metal wire;
the row beam is made of bamboo strips, bamboo tubes, wood strips, plastic tubes, plastic strips, metal tubes or metal strips;
the purlin is bamboo strip, bamboo tube, wood strip, plastic tube, plastic strip, metal tube or metal strip.
4. The polyculture-type deepwater anti-wave net cage according to claim 3, wherein the net cage comprises: the length of the stringer is gradually increased from the outer floating pipe to the edge floating pipe.
5. The polyculture-type deepwater anti-wave net cage according to claim 1, which is characterized in that: the support base is provided with an extending pipe extending upwards, an upright post is inserted in the extending pipe, pin holes for penetrating the same pin are formed in the upright post and the extending pipe of the support base, and the upright post is fixedly connected with the support base through the pin;
the top of the upright post is connected with the armrest pipe through a T-shaped armrest joint;
the handrail tube and the T-shaped handrail joint are provided with pin holes for inserting the same pin, and the handrail tube is fixedly connected with the handrail joint through the pin;
the pin includes that the axial sets gradually pin awl, draw-in groove and pin cap, the external diameter of pin awl is from being close to the draw-in groove to keeping away from the draw-in groove and diminishing gradually, the external diameter of draw-in groove is less than the maximum external diameter and the pin cap of pin awl are close to the external diameter of draw-in groove side.
6. The polyculture-type deepwater anti-wave net cage according to claim 5, wherein the net cage comprises: the T-shaped handrail joint comprises two through heads and a through head, the two through heads are used for penetrating through the handrail tube, the direction of the central axis of the through head is vertical, and the two through heads are connected with the through head to form the T-shaped handrail joint.
CN201920895264.6U 2019-06-14 2019-06-14 Polyculture type deepwater anti-wind wave net cage Active CN210841173U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920895264.6U CN210841173U (en) 2019-06-14 2019-06-14 Polyculture type deepwater anti-wind wave net cage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920895264.6U CN210841173U (en) 2019-06-14 2019-06-14 Polyculture type deepwater anti-wind wave net cage

Publications (1)

Publication Number Publication Date
CN210841173U true CN210841173U (en) 2020-06-26

Family

ID=71299809

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920895264.6U Active CN210841173U (en) 2019-06-14 2019-06-14 Polyculture type deepwater anti-wind wave net cage

Country Status (1)

Country Link
CN (1) CN210841173U (en)

Similar Documents

Publication Publication Date Title
CN101703024B (en) Method and device for cage propagation of Portunus trituberculatus Miers in coastal mudflat pond
CN101720693A (en) Device and method for cultivating sea cucumber on seabed by using net cage for cultivating shellfish
CN205455363U (en) Multi -functional chlamys nobilis breeds cover cylinder mould
CN101720694A (en) Device and method for breeding sea cucumbers in bathyal half-hanging floating rafts and cages
CN113647356A (en) Fish-farming grass-control type water quality control device and method for river crab culture pond
KR101108643B1 (en) Hanging line type seeds catcher for shellfish culture
CN101146441B (en) Novel fish cage for aquatic breeding
CN210841173U (en) Polyculture type deepwater anti-wind wave net cage
CN210184228U (en) Reinforced special net cage for fish culture
CN102499152A (en) Wind-and-wave-resistant pearl oyster farming device and lifting type ecological farming method using same
CN215957827U (en) Herding grass control type water quality control device for river crab culture pond
CN213848250U (en) Novel stichopus japonicus cage
CN212184724U (en) Sea cucumber culture net cage
CN112931324B (en) Submarine culture method and device suitable for oysters
RU2730611C1 (en) Plant for trepangs cultivation
CN211746266U (en) Wave-flow-resistant artificial fish reef in shallow water area
CN213044767U (en) Temporary crayfish breeding device
CN212487982U (en) Fish-fishing net cage for facility fishery
CN210726410U (en) Anti-wave flow artificial fish reef in deep water area
CN208446377U (en) Anti- ocean current deep-sea culture net cage
KR101523463B1 (en) Method for hanging mesh type oyster culture
CN112471025A (en) Net cage for pond culture of fish fry and culture method
CN202374873U (en) Wind wave resistance pearl shell culturing device
KR19990051781A (en) Virtual set type oyster farming structure and production method
KR101028837B1 (en) Submerging type structure for breeding abalone and under sea breeding farm using the same

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant