CN104488774A - Combined type net cage - Google Patents
Combined type net cage Download PDFInfo
- Publication number
- CN104488774A CN104488774A CN201410732999.9A CN201410732999A CN104488774A CN 104488774 A CN104488774 A CN 104488774A CN 201410732999 A CN201410732999 A CN 201410732999A CN 104488774 A CN104488774 A CN 104488774A
- Authority
- CN
- China
- Prior art keywords
- net cage
- cage
- gravity
- combined type
- sea station
- 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.)
- Granted
Links
- 230000005484 gravity Effects 0.000 claims abstract description 35
- 238000002955 isolation Methods 0.000 claims abstract description 28
- 238000007667 floating Methods 0.000 claims abstract description 14
- 241000251468 Actinopterygii Species 0.000 abstract description 22
- 238000004873 anchoring Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009395 breeding Methods 0.000 abstract description 2
- 230000001488 breeding effect Effects 0.000 abstract description 2
- 230000009189 diving Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000003306 harvesting Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 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
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a combined type net cage which comprises a gravity net cage with an inflatable floating frame at the top, wherein an upper isolation mesh is arranged at the bottom of the gravity net cage; the gravity net cage is connected with a disk-shaped net cage without a center vertical column through a traction rope; a lower isolation mesh is arranged at the top of the disk-shaped net cage. The inflatable floating frame is submerged through exhausting, so that stormy wave attacks can be effectively avoided. After the inflatable floating frame is submerged, a net of the gravity net cage is shrunk into a net collector or is arranged near an outer edge of the lower isolation mesh. The two isolation meshes are opened, so that fishes can well escape from impact of stormy waves and water flow after diving into the disk-shaped mesh cage. Therefore, the combined type net cage has the advantages of high stormy wave flowing resistance, convenience in bait feeding and management, large breeding spring layer area and low requirement on reliability of an anchoring system.
Description
Technical field
The present invention relates to a kind of offshore type cage culture equipment, particularly relate to combined type net cage.
Background technology
Cage culture is the pith of marine economy, the gravity type HDPE net cage introduced by Norway at present develops rapidly, in the yellow Bohai Sea, and the East Sea, the South Sea, a large amount of raiser is had to use, this floating cage made with HDPE material, although the tube frame that this HDPE material makes, by arranging note/drainpipe, can certain depth be sunken to before typhoon, evade the wave stroke that the water surface is maximum, but still have many defects from this net cage of practice.Domesticly do not introduce TLC net cage so far, reason fails, by economic measures, to solve the capital construction of the reliable anchoring of high withdrawal resistance of balance tension.According to the pile-driving method of extra large work or port construction, its high expense also loses it and is worth.Another reason be TLC net cage under water, will carry out feeding by automated management system, fish for, reject the management such as dead fish, these are domestic all does not at present reach.In order to break through the limitation of HDPE net cage, seek a kind of safety, reliably, be applicable to ocean current comparatively urgency and the open sea area without shield, be particularly applicable to the novel net cage in deep water sea area, just must based on tension leg type net cage, adopt simple, practicality, economic method is built, and changes its unhandy shortcoming simultaneously.Prior art is as Authorization Notice No. CN 203327727 U, disclose a kind of tension leg type deep water mesh cage with surface operations platform, it is made up of the tension leg type small-sized net cage of the major network case cultivated with band surface operations platform, tension leg type small-sized net cage with surface operations platform is connected with the major network case top of cultivation, the major network case of cultivation is by vertical support framework and upper, lower horizontal frame assembly welding forms, bundle circle polyvinyl chloride or a foamed polystyrene body simultaneously, tension leg type small-sized net cage with surface operations platform adopts the buoyancy aid having waterpower to adjust heavy function, basic hanger is connected to by tension cord bottom the major network case of cultivation, the upper horizontal frame of the major network case assembly welding simultaneously cultivated, be designed to typhoon and can control closed opening by manual stay cord, more ensure when typhoon that fish is not run off, this net cage can adapt to ocean current comparatively urgency and the open sea area without shield, for the utilization of culture resources creates condition.
Summary of the invention
The object of the invention is to provide for prior art the combined type net cage that a kind of wind wave resistance fluidity energy is good, bait throwing in is convenient, cultivation spring layer is large, convenient management, anchoring system reliability requirement are low.
The present invention solves the problems of the technologies described above adopted technical scheme: combined type net cage, comprises top and is provided with the gravity net cage with Inflated floating frame, wherein: have upper isolation mesh sheet bottom gravity net cage; Gravity net cage connects the Sea Station cage of non-stop layer column through pull rope; Sea Station cage top has lower isolation mesh sheet.Inflated floating frame, by exhaust dive, effectively can be hidden stormy waves and attack.After dive, the etting of gravity net cage is contracted in wire stitcher or is organized near the mouth of lower isolation mesh sheet outer.Open above-mentioned two isolation mesh sheet, the impact of stormy waves and current after making fish slip into Sea Station cage, can be hidden very well.
For optimizing technique scheme, the measure taked also comprises: have upper isolation mesh sheet bottom gravity net cage; Gravity net cage connects the Sea Station cage of non-stop layer column through pull rope; Sea Station cage top has lower isolation mesh sheet.Inflated floating frame, by exhaust dive, effectively can be hidden stormy waves and attack.After dive, the etting of gravity net cage is contracted in wire stitcher or is organized near the mouth of lower isolation mesh sheet outer.Open above-mentioned two isolation mesh sheet, the impact of stormy waves and current after making fish slip into Sea Station cage, can be hidden very well.The framework of Sea Station cage is rigid structure, and the side of Sea Station cage is all or part of is coated with canvas.According to the ocean current flow velocity in design sea area, can in Sea Station cage side whole coated canvas, or part namely near the coated one section of canvas of side tip portion or along side the canvas of most advanced and sophisticated coated annular all over.The part of pull rope between gravity net cage and Sea Station cage is provided with and knots.When harvesting, fish is rushed in Sea Station cage, unclamp overall after knotting hauling-out.Noise generator is provided with bottom Sea Station cage.Noise generator can be assisted and be driven fish and enter gravity net cage.Sea Station cage side is connected with sinker and anchor body through hawser.Sinker is arranged near hawser centre, and anchor body adopts from sinker, firm banking effectively can be assisted to play further whole equipment and strengthen fixing effect.Firm banking is provided with the rope coil winder be connected with pull rope.Rope coil winder traction action can comparatively manual type be more quick, and the tractive length of each pull rope should be equal, and how to limit the equal technology of tractive length, is all documented, does not repeat them here in existing pertinent texts.
Owing to present invention employs bottom gravity net cage, there is upper isolation mesh sheet; Gravity net cage connects the Sea Station cage of non-stop layer column through pull rope; Sea Station cage top has lower isolation mesh sheet.Inflated floating frame, by exhaust dive, effectively can be hidden stormy waves and attack.After dive, the etting of gravity net cage is contracted in wire stitcher or is organized near the mouth of lower isolation mesh sheet outer.Open above-mentioned two isolation mesh sheet, the impact of stormy waves and current after making fish slip into Sea Station cage, can be hidden very well.Thus the present invention have wind wave resistance fluidity can good, bait throwing in is convenient, cultivation spring layer is large, convenient management, advantage that anchoring system reliability requirement is low.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention perspective view.
Embodiment
Below in conjunction with attached embodiment, the present invention is described in further detail.
Drawing reference numeral illustrates: gravity net cage 1, Inflated floating frame 11, pull rope 12, ball float 13, upper isolation mesh sheet 14, Sea Station cage 2, lower isolation mesh sheet 21, knot 3, firm banking 4, anchoring pile 41, anchor body 5.
Embodiment: with reference to Fig. 1, combined type net cage, comprises top and be provided with the gravity net cage 1 with Inflated floating frame 11, wherein: have upper isolation mesh sheet 14 bottom gravity net cage 1; Gravity net cage 1 connects the Sea Station cage 2 of non-stop layer column through pull rope 12; Sea Station cage 2 top has lower isolation mesh sheet 21.Inflated floating frame 11, by exhaust dive, effectively can be hidden stormy waves and attack.After dive, the etting of gravity net cage 1 is contracted in wire stitcher or is organized near the outer bead of lower isolation mesh sheet 21.Open above-mentioned two isolation mesh sheet, the impact of stormy waves and current after making fish slip into Sea Station cage 2, can be hidden very well.The framework of Sea Station cage 2 is rigid structure, and the side of Sea Station cage 2 is all or part of is coated with canvas.According to the ocean current flow velocity in design sea area, can at the whole coated canvas in Sea Station cage 2 side, or part namely near the coated one section of canvas of side tip portion or along side the canvas of most advanced and sophisticated coated annular all over.The part of pull rope 12 between gravity net cage 1 and Sea Station cage 2 is provided with and knots 3.When harvesting, fish is rushed in Sea Station cage 2, unclamp overall after knotting hauling-out.Noise generator is provided with bottom Sea Station cage 2.Noise generator can be assisted and be driven fish and enter gravity net cage 1.Sea Station cage 2 side is connected with sinker and anchor body 5 through hawser.Sinker is arranged near hawser centre, and anchor body 5 adopts from sinker, firm banking 4 effectively can be assisted to play further whole equipment and strengthen fixing effect.Firm banking 4 is provided with the rope coil winder be connected with pull rope 12.Rope coil winder traction action can comparatively manual type be more quick, and the tractive length of each pull rope 12 should be equal, and how to limit the equal technology of tractive length, is all documented, does not repeat them here in existing pertinent texts.
Net cage agent structure: net cage is made up of submersible Sea Station cage and floating gravity type net box.Sea Station cage is semirigid structure, and Sea Station cage side arranges the flow distribution plate of respective area size as required, and when high sea and large flow velocity, fish can hide stormy waves and trend in dive to Sea Station cage voluntarily; Under normal circumstances, fish can rise in the gravity type net box of upper strata and look for food.Sea Station cage, without the need to center stand column, has isolation mesh sheet between Sea Station cage and gravity type net box, and can depart from.Gravity type net box scaffold system adopts flexible gas-filled float tube, and under normal cultivating condition, inflation makes Inflated floating frame 11 float, and forms effective breeding spaces.Under strong wind wave-flow condition, open exhaust outlet, under the effect of hydraulic pressure, float tube exhaust is sunk, and fish slip in Sea Station cage voluntarily.
Net cage is arranged: this type of net cage is suitable for single layout.
Suitable foster kind: pelagic fishes or demersal fishes.
Wind wave resistance fluidity energy: because upper strata gravity type net box is by exhaust dive, effectively can hides stormy waves and attack.After dive, etting is contracted in wire stitcher or is organized near the outer bead of lower isolation mesh sheet 21.The impact of stormy waves and current can be hidden very well after fish slip into Sea Station cage.
Monomer cage culture volume: total effectively cultivation volume is determined on a case-by-case basis, can between 1000 ~ 2000 sides.
Fish harvesting: two kinds of methods can be adopted to realize harvesting, method one: first by being arranged in the noise generator bottom Sea Station cage, fish is rushed in the net cage of upper strata, then close the connector of levels net cage by isolation mesh sheet 14 and lower isolation mesh sheet 21, method is below identical with common harvesting.Method two: first upper strata gravity net cage 1 is vented sinking, is rushed to by fish in Sea Station cage 2, unclamps overall after knotting hauling-out.
Draping: to play method for catching similar with fish, first fish rushed to upper strata or lower floor's net cage, then change lower floor or upper strata etting.
Bait throwing in: manage identical with gravity type net box bait throwing in.
Although describe the present invention in conjunction with preferred embodiment; so itself and be not used to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; can implement various change, the displacement of coordinate and amendment here to the theme listed, therefore protection scope of the present invention be as the criterion when the scope limited depending on proposed claim.
Claims (6)
1. combined type net cage, comprises top and is provided with the gravity net cage (1) with Inflated floating frame (11), it is characterized in that: described gravity net cage (1) bottom has upper isolation mesh sheet (14); Described gravity net cage (1) connects the Sea Station cage (2) of non-stop layer column through pull rope (12); Described Sea Station cage (2) top has lower isolation mesh sheet (21).
2. combined type net cage according to claim 1, is characterized in that: the framework of described Sea Station cage (2) is rigid structure, and the side of Sea Station cage (2) is all or part of is coated with canvas.
3. combined type net cage according to claim 1, is characterized in that: the part that described pull rope (12) is positioned between gravity net cage (1) and Sea Station cage (2) is provided with knot (3).
4. combined type net cage according to claim 1, is characterized in that: described Sea Station cage (2) bottom is provided with noise generator.
5. combined type net cage according to claim 1, is characterized in that: described Sea Station cage (2) side is connected with sinker and anchor body (5) through hawser.
6. combined type net cage according to claim 1, is characterized in that: described firm banking (4) is provided with the rope coil winder be connected with described pull rope (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410732999.9A CN104488774B (en) | 2014-12-07 | 2014-12-07 | Combined type net cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410732999.9A CN104488774B (en) | 2014-12-07 | 2014-12-07 | Combined type net cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104488774A true CN104488774A (en) | 2015-04-08 |
| CN104488774B CN104488774B (en) | 2017-05-10 |
Family
ID=52930310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410732999.9A Active CN104488774B (en) | 2014-12-07 | 2014-12-07 | Combined type net cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104488774B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135998A (en) * | 2017-07-07 | 2017-09-08 | 青岛谊深海洋科技有限公司 | A kind of floating cage Deep sea net cage |
| CN107372383A (en) * | 2017-09-11 | 2017-11-24 | 海之星（福建）远洋渔业有限公司 | One kind is swum fish finishing device |
| CN107865710A (en) * | 2017-12-12 | 2018-04-03 | 浙江海洋大学 | The special vibrating type sperm extractor of sea urchin and its application method |
| CN110313428A (en) * | 2019-08-09 | 2019-10-11 | 浙江海洋大学 | Large-scale finished product fish culture net cage |
| CN111789082A (en) * | 2020-08-19 | 2020-10-20 | 王玉芳 | Self-anchored ground cage net for stabilizing running water |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2520657Y (en) * | 2001-12-22 | 2002-11-20 | 福建省水产研究所 | Floating anti wind wave fish culture net cage |
| WO2006043116A1 (en) * | 2004-10-21 | 2006-04-27 | Frano Zanki | Technical-technological and ecological solution for tuna farms |
| US20090229531A1 (en) * | 2008-03-14 | 2009-09-17 | Stillman Harold M | Corrosion-compensated net |
| CN102578008A (en) * | 2012-02-16 | 2012-07-18 | 中国水产科学研究院东海水产研究所 | Method for constructing cage box of conical net cage assembled through rigid and flexible combination |
| CN203327727U (en) * | 2013-03-11 | 2013-12-11 | 古国维 | Tension-leg deep water net cage with water surface operation platform |
-
2014
- 2014-12-07 CN CN201410732999.9A patent/CN104488774B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2520657Y (en) * | 2001-12-22 | 2002-11-20 | 福建省水产研究所 | Floating anti wind wave fish culture net cage |
| WO2006043116A1 (en) * | 2004-10-21 | 2006-04-27 | Frano Zanki | Technical-technological and ecological solution for tuna farms |
| US20090229531A1 (en) * | 2008-03-14 | 2009-09-17 | Stillman Harold M | Corrosion-compensated net |
| CN102578008A (en) * | 2012-02-16 | 2012-07-18 | 中国水产科学研究院东海水产研究所 | Method for constructing cage box of conical net cage assembled through rigid and flexible combination |
| CN203327727U (en) * | 2013-03-11 | 2013-12-11 | 古国维 | Tension-leg deep water net cage with water surface operation platform |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135998A (en) * | 2017-07-07 | 2017-09-08 | 青岛谊深海洋科技有限公司 | A kind of floating cage Deep sea net cage |
| CN107372383A (en) * | 2017-09-11 | 2017-11-24 | 海之星（福建）远洋渔业有限公司 | One kind is swum fish finishing device |
| CN107865710A (en) * | 2017-12-12 | 2018-04-03 | 浙江海洋大学 | The special vibrating type sperm extractor of sea urchin and its application method |
| CN107865710B (en) * | 2017-12-12 | 2019-06-21 | 浙江海洋大学 | The dedicated vibrating type sperm extractor of sea urchin and its application method |
| CN110313428A (en) * | 2019-08-09 | 2019-10-11 | 浙江海洋大学 | Large-scale finished product fish culture net cage |
| CN110313428B (en) * | 2019-08-09 | 2021-08-24 | 浙江海洋大学 | Large-scale finished fish aquaculture net case |
| CN111789082A (en) * | 2020-08-19 | 2020-10-20 | 王玉芳 | Self-anchored ground cage net for stabilizing running water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104488774B (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106417130B (en) | A kind of marine crustacean cultivation steel construction net cage and Three-dimensional cultivating system | |
| CN103053449B (en) | Large-scale ecological purse seine breeding device in shallow sea | |
| CN104488774A (en) | Combined type net cage | |
| CN108353835A (en) | A kind of far-reaching extra large floatable net cage system and the method that rises and falls | |
| CN205213858U (en) | Hard and soft combination of movable joint formula is from unrestrained box with a net of tension leg type anti -wind of mooring | |
| JP3211403U (en) | Self-drying device for laver culture and tidal self-drying all-floating nori culture device | |
| CN105638532A (en) | Submerged net cage | |
| CN104041433B (en) | The installation method of a kind of large-scale shallow sea seining cultivation device | |
| CN105494192A (en) | Mariculture device with net cage added to jacket fan base | |
| CN102972325B (en) | Large-scale large yellow croaker culturing device for high seas and deep seas | |
| CN112167134A (en) | Deep sea is bred with sinking and floating box with a net | |
| CN104521809A (en) | Large integrated floating type net cage | |
| CN204670117U (en) | Cluster duplex net cage | |
| CN108617560B (en) | Oyster shallow sea cultivation method capable of resisting wind waves and shaking and avoiding floating ice | |
| CN104170779B (en) | A kind of aquiculture net cage | |
| CN104429895B (en) | A kind of marine ecology reef | |
| CN204047608U (en) | A kind of aquiculture net cage | |
| CN114081003B (en) | Sea cucumber seabed aquaculture net case | |
| CN104273068A (en) | Floating type carbon sequestration shellfish and algae aquaculture method | |
| CN104429904B (en) | A kind of marine alga reef device of artificial input | |
| CN206851750U (en) | Drift line type wind and wave resistance environmental protection net cage is raised together from mooring fish oyster | |
| CN106719214A (en) | A kind of installation and application of submarine formula wind wave-resisting net casing | |
| CN104429914B (en) | A kind of floating reefs of the controllable degree of depth | |
| CN203407347U (en) | Anti-stormy-wave deep water net cage | |
| CN104255595B (en) | The installation method of large-scale culture pure seine used in shallow sea |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161020 Address after: 316022 Datong Zhujiajian, Putuo District, Zhejiang, Zhoushan Applicant after: ZHEJIANG OCEAN UNIVERSITY Address before: 316022 Datong Zhujiajian, Putuo District, Zhejiang, Zhoushan Applicant before: Putuo School of Science and Technology of Zhejiang Ocean University |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180703 Address after: 316000 No. 168 Gong Qian street, peach blossom Town, Putuo District, Zhoushan, Zhejiang. Patentee after: ZHOUSHAN HAIDA ZHONGYUAN MARINE TECHNOLOGY Co.,Ltd. Address before: 316022 Datong, Zhujiajian, Putuo District, Zhoushan, Zhejiang Patentee before: ZHEJIANG OCEAN UNIVERSITY |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Composite cage Effective date of registration: 20221204 Granted publication date: 20170510 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Zhoushan Putuo small and micro enterprise franchise sub branch Pledgor: ZHOUSHAN HAIDA ZHONGYUAN MARINE TECHNOLOGY Co.,Ltd. Registration number: Y2022330003455 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |