CN219323089U - Crab catching device - Google Patents
Crab catching device Download PDFInfo
- Publication number
- CN219323089U CN219323089U CN202320373510.8U CN202320373510U CN219323089U CN 219323089 U CN219323089 U CN 219323089U CN 202320373510 U CN202320373510 U CN 202320373510U CN 219323089 U CN219323089 U CN 219323089U
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- crab
- pot
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- 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
Abstract
The utility model discloses a crab catching device, which is provided with a crab pot, and also provided with a supporting frame, a unit stay rope and a traction rope, wherein the supporting frame comprises a supporting frame body and a unit supporting leg, the supporting frame body is fixed on the unit supporting leg, the crab pot comprises a crab pot upper cover and a pot body, the crab pot upper cover is connected with the supporting frame body, the lower part of the crab pot upper cover is provided with the pot body, the pot body comprises an upper supporting ring and a pot body net bag, the upper part of the pot body net bag is provided with an opening and is supported by the upper supporting ring to form a crab inlet, the unit stay rope is arranged at intervals along the circumferential direction of the upper supporting ring, the lower end of the unit stay rope is connected with the upper supporting ring, the middle part of the unit stay rope is in sliding fit with the supporting frame body to enable the crab pot upper cover to be closed or opened with the crab inlet cover, and the upper end of the crab pot is connected with the traction rope.
Description
Technical Field
The utility model relates to the technical field of fishing, in particular to a crab catching device.
Background
The prior art generally adopts a crab catching cage to catch crabs, the crab catching cage is simple in structure and is generally composed of a net cover supported by a cage frame, a plurality of funnel-shaped inverted nets extending to the inner cavity of the net cover are arranged on the side face of the net cover to serve as crab inlets, and the crabs enter from the crab inlets, so that the purpose of catching the crabs is achieved.
The structure has the following defects: the crab inlet of the crab pot with the structure is generally smaller, and crabs can only enter from the hole one by one, so that the speed of entering the crab pot is slower, further the capturing efficiency of the crabs is low, and meanwhile, the crab pot is inconvenient to fold.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provide the crab catching device which has the advantages of simple structure, high crab catching efficiency, large catching amount, convenient operation of shoreside personnel and suitability for deep sea and shallow sea.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a crab catching device, is equipped with crab pot, its characterized in that: the device is characterized by further comprising a support frame, a unit stay rope and a traction rope, wherein the support frame comprises a support frame body and unit support legs, and the support frame body is fixed on the unit support legs;
the crab pot comprises a crab pot upper cover and a pot body, wherein the crab pot upper cover is connected with the support frame body, the pot body is arranged below the crab pot upper cover, the pot body comprises an upper support ring and a pot body net bag, and an opening is formed in the upper part of the pot body net bag and is supported by the upper support ring to form a crab inlet;
the unit stay ropes are arranged at intervals along the circumferential direction of the upper support ring, the lower ends of the unit stay ropes are connected with the upper support ring, the middle parts of the unit stay ropes are in sliding fit with the support frame body to enable the crab pot upper cover to be closed or opened with the crab access cover, and the upper ends of the unit stay ropes are connected with the traction ropes;
through setting up the support frame, when putting the crab pot, support frame and crab pot are sunk to the seabed, support at the seabed through the unit supporting leg of support frame, stability is high, and the crab inlet and the crab pot upper cover separation of the cage body, make the crab can follow the crab inlet and get into the cage body, the entering speed is fast, when needing to receive the crab pot, the person of fishing pulls the haulage rope, make the stay cord drive the cage body and shift up, the crab pot upper cover will advance the crab flap and resume pulling the haulage rope, with support frame and the cage body back together, at this in-process crab pot upper cover can cover at the crab inlet all the time, overall structure is simple, crab capture efficiency is high, receive the rope and conveniently receive easily to withdraw, and receive the rope in-process crab can not escape, shallow sea and deep sea are all suitable for.
The supporting frame body is provided with a unit rope threading opening through which a unit pull rope passes, the lower end of the unit pull rope is connected with an upper supporting ring, the middle part of the unit pull rope threading opening passes, and the upper end of the unit pull rope is connected with a traction rope; through setting up the unit stay cord and passing through from the unit rope wearing mouth, can realize that the sliding fit of unit stay cord and support frame body makes the cage body reciprocate, can realize again that pulling unit stay cord can pull out the cage body together from the seabed with the support frame.
The lower end of a unit stay cord is connected with an upper supporting ring, the middle part of the unit stay cord is wound on a supporting frame body, and the upper end of the unit stay cord is connected with a traction rope; the unit stay cord can be pulled out of the seabed together with the support frame.
A limiting piece is fixed above a supporting frame body on a unit stay cord; the setting of locating part can control the height that the cage was transferred.
The distance between the limiting piece and the upper supporting ring of the unit stay cord is smaller than the height of the unit supporting leg; so that the crab pot is thrown to the sea floor and supported by the unit supporting legs, and the pot body can be stabilized between the unit supporting legs due to the limitation of the limiting piece, thereby facilitating the entry of crabs.
The upper support ring is provided with a support tube, two ends of the support tube are connected with the upper support ring, and baits are connected to the support tube and/or the crab pot upper cover.
The cage body further comprises a first middle supporting ring and a second middle supporting ring which are used for supporting the net bag of the cage body, wherein the first upper supporting ring, the first middle supporting ring and the second middle supporting ring are sequentially arranged at intervals from top to bottom, the first middle supporting ring is connected with the second middle supporting ring, and the net bag of the cage body between the first middle supporting ring and the second middle supporting ring is folded inwards to form an inner inlet;
the crab pot further comprises a crab pot inner cover, the crab pot inner cover is positioned between the support pipe and the inner inlet, the crab pot inner cover comprises a conical net cover with a downward opening and an inner cover support ring, the top of the conical net cover is connected with the support pipe, and the opening at the lower end of the conical net cover is connected with the inner cover support ring; the first middle support ring is connected with the second middle support ring, so that the net bag between the first middle support ring and the second middle support ring is folded inwards to form an inner inlet for crabs to enter, the inner cover of the crab pot is arranged and covered on the inner inlet, the crabs can not run out in the process of capturing and collecting the crab pot, meanwhile, the crabs entering the inner inlet can not be pressed on the inner cover of the crab pot in the process of continuously capturing the crabs on the seabed, and the crabs can be further prevented from running out.
The utility model is also provided with a connecting ring, a buoy and a pendant, wherein one end of the hauling rope is connected with the upper end of the unit stay rope, the other end of the hauling rope penetrates through the connecting ring, the connecting ring is connected with the buoy, and the connecting ring and/or the buoy is connected with the pendant; the setting of cursory, show the crab pot in the position on sea through cursory, also be convenient for simultaneously when the personnel receives the cage on the shore, draw to the sea earlier under cursory effect on crab pot and support frame, again pull the traction rope and draw back the bank limit from deep sea with crab pot, the personnel on bank receive the cage conveniently, can realize receiving the cage fast, draw back the crab pot on the sea, can avoid crab pot to draw back in-process to be stumbled by stone or seaweed etc. on the seabed, the setting of pendant is in order to guarantee cursory and go-between stability on the sea, can not drive support frame and crab pot and move everywhere.
The crab inlet of the crab pot is provided with the funnel net which stretches to the inner cavity of the crab pot and gradually reduces the caliber, and the funnel net is used for preventing crabs entering the crab pot from climbing out.
The support frame body adopts a round or triangular frame, and the unit support legs are provided with three support frames which are arranged at equal intervals along the circumferential direction of the support frame body; so as to ensure the stability of the support frame entering the seabed support.
The beneficial effects of the utility model are as follows: when the crab pot is put, the support frame and the crab pot are sunk to the sea floor, the crab pot is supported on the sea floor through the unit supporting legs of the support frame, the stability is high, the crab inlet of the pot body is separated from the crab pot upper cover, so that crabs can enter the pot body from the crab inlet, the entering speed is high, when the crab pot needs to be collected, a crab catcher pulls the traction rope, the pull rope drives the pot body to move upwards, the crab pot upper cover covers the crab inlet and then continues to pull the traction rope, the support frame and the pot body are pulled back, the crab pot upper cover can be always covered at the crab inlet in the process, the whole structure is simple, the crab capturing efficiency is high, the rope collecting is convenient and easy to collect, the crabs can not escape in the rope collecting process, and both shallow sea and deep sea are applicable.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic view of the structure of the support frame and crab pot of the present utility model in a subsea condition.
FIG. 3 is a schematic view of the structure of the support frame and crab pot upper cover of the present utility model.
FIG. 4 is a schematic view of the inner lid structure of the crab pot of the present utility model.
FIG. 5 is a schematic view of the structure of the crab pot of the present utility model approaching the support frame.
FIG. 6 is a schematic view of the structure of the first and second support rings of the crab pot in an expanded state.
Reference numerals: the crab pot comprises a support frame-1, a support frame body-101, a unit rope threading-1011, a unit support leg-102, a crab pot upper cover-201, a fixing ring-2011, an upper cover net cover-2012, a crab pot inner cover-202, a conical net cover-2021, an inner cover support ring-2022, a cage body-203, an upper support ring-2031, a middle support ring-2032, a middle support ring-2033, a lower support ring-2034, a cage body net bag-2035, an inner inlet-2036, a support tube-2037, a funnel net-2038, a pendant-3, a pull rope-4, a limiting piece-5, a connecting ring-6 and a traction rope-7.
Detailed Description
The utility model is described below with reference to the drawings and examples.
The crab catching device is provided with a crab pot, and is further provided with a support frame 1, a unit stay rope 4 and a traction rope 7, wherein the support frame 1 comprises a support frame body 101 and unit support legs 102, and the support frame body 101 is fixed on the unit support legs 102;
the crab pot comprises a crab pot upper cover 201 and a pot body 203, wherein the crab pot upper cover 201 is connected with a support frame body 101, the pot body 203 is arranged below the crab pot upper cover 201, the pot body 203 comprises an upper support ring 2031 and a pot net 2035, an opening is formed in the upper part of the pot net 2035 and is supported by the upper support ring 2031 to form a crab inlet, and a pendant 3 is connected to the bottom of the pot net 2035;
the unit stay ropes 4 are arranged at intervals along the circumferential direction of the upper supporting ring 2031, the lower ends of the unit stay ropes 4 are connected with the upper supporting ring 2031, the middle parts of the unit stay ropes are in sliding fit with the supporting frame body 101 to enable the crab pot upper cover 201 to be closed or opened with the crab inlet cover, and the upper ends of the unit stay ropes are connected with the hauling ropes 7;
through setting up support frame 1, when putting the crab pot, support frame 1 and crab pot are sunk to the seabed, support at the seabed through the unit supporting leg 102 of support frame 1, stability is high, and the crab inlet of the cage body is separated with crab pot upper cover 201, make the crab can follow into the cage body 203, get into fastly, when needing to receive the crab pot, the crab man pulls the haulage rope, make the stay cord drive the cage body and shift up, the crab pot upper cover covers the crab inlet and continues pulling haulage rope 7 again, with support frame 1 and the cage body 203 pull back together, at this in-process crab pot upper cover 201 can be always covered at the crab inlet, overall structure is simple, crab catching efficiency is high, receive the rope and conveniently receive easily and withdraw, and receive the rope in-process crab can not escape, shallow sea and deep sea are all suitable for.
The supporting frame body 101 is provided with a unit rope penetrating opening 1011 for the unit stay rope 4 to penetrate through, the lower end of the unit stay rope 4 is connected with the upper supporting ring 2031, the middle part of the unit stay rope penetrating opening 1011 is penetrated through, and the upper end of the unit stay rope penetrating opening 1011 is connected with the hauling rope 7; through setting up the unit stay cord 4 and passing through from the unit rope through-hole 1011, can realize that the unit stay cord 4 can reciprocate with the cage body 203 with the sliding fit of support frame body 101, can realize again that pulling unit stay cord 4 can pull out cage body 203 and support frame 1 from the seabed together.
In this embodiment, the sliding fit between the unit rope and the supporting frame body can be realized by providing the unit rope penetrating opening 1011 for the unit rope 4 to pass through on the supporting frame body 101, and the middle part of the unit rope can be wound on the supporting frame body 101, so that the sliding fit between the unit rope and the supporting frame body can be realized, and the binding between the unit rope and the supporting frame body can be realized, so that the unit rope and the supporting frame body can be pulled to rise together.
A limiting piece 5 is fixed above the supporting frame body on the unit stay rope 4; the setting of locating part 5 can control the height that the cage was transferred down, and when the unit stay cord reached the height of below, locating part 5 supported on support frame body 101.
The distance between the limiting piece 5 and the upper supporting ring 2031 of the unit stay 4 is smaller than the height of the unit supporting leg 102; so that the crab pot is thrown to the sea floor and supported by the unit supporting legs, and the pot body can be stabilized between the unit supporting legs due to the limitation of the limiting piece, thereby facilitating the entry of crabs.
The supporting frame body 101 adopts a round or triangular frame, and the unit supporting legs 102 are provided with three units which are arranged at equal intervals along the circumferential direction of the supporting frame body 101; so as to ensure the stability of the support frame entering the seabed support.
This embodiment further comprises a connecting ring 6, a float (not shown) and a pendant, wherein one end of the hauling rope 7 is connected with the upper end of the unit stay 4, the other end passes through the connecting ring 6, the connecting ring 6 is connected with the float, and the connecting ring and/or the float are connected with the pendant; the setting of cursory, show the crab pot in the position on sea through cursory, also be convenient for simultaneously when the personnel receives the cage on the shore, on crab pot and support frame draw to the sea earlier under the effect of cursory, pull traction rope 7 again and draw back the bank limit with crab pot, support frame 1 and cursory from the deep sea, the personnel receives the cage conveniently on the bank, can realize receiving the cage fast, pull back the crab pot at the sea, can avoid crab pot to pull back in-process by the stone or the seaweed etc. of seabed catch, the setting of pendant is in order to guarantee the stability on the sea of cursory and go-between, can not drive support frame and crab pot and move everywhere.
In this embodiment, the buoy is not limited to a swim ring, and may be an object that floats on the sea surface.
A funnel net 2038 which stretches to the inner cavity of the crab pot and gradually reduces in caliber is arranged at the crab inlet of the crab pot 203 and is used for preventing crabs entering the crab pot from climbing out.
The upper support ring 2031 is provided with a support tube 2037, two ends of the support tube 2037 are connected with the upper support ring 2031, and baits are connected to the support tube 2037 and/or the crab pot upper cover, and in this embodiment, baits are hung on the support tube 2037 and the crab pot upper cover.
In this embodiment, as shown in fig. 1, 5 and 6, the cage 203 further includes a middle support ring and a lower support ring 2034, where the upper support ring 2031, the middle support ring and the lower support ring 2034 are sequentially disposed from top to bottom to support the net bag of the cage.
The middle support ring in this embodiment includes a first middle support ring 2032 and a second middle support ring 2033, where the first middle support ring 2032 and the second middle support ring 2033 are disposed at intervals from top to bottom, and the first middle support ring 2032 is connected with the second middle support ring 2033 so that the cage net bag 2035 between the first middle support ring 2032 and the second middle support ring 2033 is folded inwards to form an inner inlet 2036; in this embodiment, fig. 6 is a state in which the first middle support ring and the second middle support ring are not connected, and fig. 5 is a state in which the first middle support ring and the second middle support ring are connected to form an inner inlet inside the cage body.
The crab pot in this embodiment further comprises a crab pot inner cover 202, the crab pot inner cover 202 is positioned between the support tube and the inner inlet, the crab pot inner cover 202 comprises a conical net cover 2021 with a downward opening and an inner cover support ring 2022, the top of the conical net cover 2021 is connected with the support tube 2037, and the opening at the lower end is connected with the inner cover support ring 2022; the inner cover 202 of the crab pot further ensures that the crabs can not run out in the process of collecting the pot, and the crabs entering the inner inlet can be further prevented from running out in the process of continuously capturing the crabs on the seabed while the support tube is pressed on the inner cover of the crab pot.
The crab pot upper cover 201 comprises a fixing ring 2011 and an upper cover net 2012, the upper cover net 2012 is connected with the fixing ring 2011, the fixing ring 2011 is connected with the support frame 101, and in this embodiment the crab pot upper cover 201 is bound and fixed at the middle position of the support frame 101 by a binding belt.
In the embodiment, the fixing of the upper cover mesh enclosure and the fixing ring, the fixing of the conical mesh enclosure and the inner cover supporting ring, and the fixing of the cage mesh enclosure and the upper supporting ring, the middle supporting ring and the lower supporting ring are all fixed through the binding belts, and rope binding and other modes can be adopted.
In the embodiment, the bottom of the net bag of the cage body is also connected with a pendant, and the pendant is arranged according to actual needs.
The utility model is used when:
1. binding baits on the supporting tube 2037 and the crab pot upper cover 201, and pulling the buoy, the supporting frame 1 and the crab pot to the sea by a net pulling ship to release, wherein in the process, one end of the pulling rope 7 is connected with the unit pulling rope 4, and the other end of the pulling rope passes through the connecting ring 6 and is controlled by personnel on the shore;
2. the support frame 1 and the crab pot sink into the sea under the action of gravity, the unit support legs 102 are supported on the sea, the limiting piece 5 on the unit stay rope 4 is propped against the support frame body 101, the crab inlet and the crab pot upper cover have a certain distance, the buoy floats on the sea surface, and the sinker 3 connected with the connecting ring 6 is used for ensuring the stability of the buoy and the connecting ring;
3. crabs are attracted by the baits and enter the cage net 2035 through the crab inlet, and the crabs cannot easily climb out of the crab inlet after entering the cage net 2035 under the action of the funnel net 2038;
4. after a certain time, a person on the shore pulls the pulling rope 7 to enable the crab inlet of the cage body net bag 2035 to be attached to the crab pot upper cover 201, at the moment, part of crabs enter the inner inlet 2036, the crab pot inner cover 202 covers the inner inlet 2036, so that the crabs entering the inner inlet 2036 cannot run out, and then the pulling rope 7 is pulled continuously to pull the crab pot and the support frame 1 to move upwards together, and the support frame 1, the crab pot and the buoy are pulled back for a certain distance;
5. the personnel on the shore loosens the hauling rope, so that the support frame 1 and the crab pot continuously sink into the sea bottom under the action of gravity, the unit support legs 102 are supported on the sea bottom, the limiting pieces 5 on the unit stay ropes 4 are propped against the support frame body 101, the crabs enter the cage net bags 2035 through the crab inlet under the attraction of baits, in the process, the inner cover of the crab pot covers the inner inlet and is pressed by the support pipes, the crabs in the inner inlet cannot run out, after a period of time, the personnel on the shore pulls the hauling rope 7, so that the crab inlet of the cage net bags 2035 is attached to the crab pot upper cover 201, the crab pot and the support frame 1 are pulled to move upwards together, and the support frame 1, the crab pot and the buoy are pulled back for a certain distance;
6. after the support frame 1, the crab pot and the buoy are pulled back for a certain distance, the operation is repeated, the crab pot is released continuously by loosening the traction rope, the crab catching amount is large, the catching efficiency is high, the traction rope is pulled finally, the support frame and the crab pot are pulled back to the bank, the crab pot upper cover 201 is attached to the crab inlet in the pulling process of the traction rope, and the crab is prevented from escaping.
Claims (10)
1. The utility model provides a crab catching device, is equipped with crab pot, its characterized in that: the device is characterized by further comprising a support frame, a unit stay rope and a traction rope, wherein the support frame comprises a support frame body and unit support legs, and the support frame body is fixed on the unit support legs;
the crab pot comprises a crab pot upper cover and a pot body, wherein the crab pot upper cover is connected with the support frame body, the pot body is arranged below the crab pot upper cover, the pot body comprises an upper support ring and a pot body net bag, and an opening is formed in the upper part of the pot body net bag and is supported by the upper support ring to form a crab inlet;
the unit stay ropes are arranged at intervals along the circumferential direction of the upper support ring, the lower ends of the unit stay ropes are connected with the upper support ring, the middle parts of the unit stay ropes are in sliding fit with the support frame body, so that the crab pot upper cover is closed or opened with the crab access cover, and the upper ends of the unit stay ropes are connected with the traction ropes.
2. A crab trap according to claim 1, wherein: the support frame body is provided with a unit rope threading opening through which the unit stay rope passes, the lower end of the unit stay rope is connected with the upper support ring, the middle part of the unit stay rope threading opening passes through, and the upper end of the unit stay rope threading opening is connected with the traction rope.
3. A crab trap according to claim 1, wherein: the lower end of the unit stay cord is connected with the upper supporting ring, the middle part of the unit stay cord is wound on the supporting frame body, and the upper end of the unit stay cord is connected with the traction rope.
4. A crab trap according to claim 2 or claim 3, wherein: and a limiting part is fixed above the supporting frame body on the unit stay cord.
5. A crab trap according to claim 4, wherein: the distance between the limiting piece and the upper supporting ring of the unit stay rope is smaller than the height of the unit supporting leg.
6. A crab trap according to claim 1 or 2 or 3 or 5, wherein: the upper support ring is provided with a support tube, two ends of the support tube are connected with the upper support ring, and bait is connected to the support tube and/or the crab pot upper cover.
7. A crab trap according to claim 6, wherein: the cage body further comprises a first middle supporting ring and a second middle supporting ring which are used for supporting the net bag of the cage body, the upper supporting ring, the first middle supporting ring and the second middle supporting ring are sequentially arranged at intervals from top to bottom, the first middle supporting ring is connected with the second middle supporting ring, and the net bag of the cage body between the first middle supporting ring and the second middle supporting ring is folded inwards to form an inner inlet;
the crab pot further comprises a crab pot inner cover, the crab pot inner cover is positioned between the support tube and the inner inlet, the crab pot inner cover comprises a conical net cover with a downward opening and an inner cover support ring, the top of the conical net cover is connected with the support tube, and the opening of the lower end of the conical net cover is connected with the inner cover support ring.
8. A crab trap according to claim 1 or 2 or 3 or 5 or 7, wherein: the novel rope pendant is characterized by further comprising a connecting ring, a buoy and a pendant, one end of the traction rope is connected with the upper end of the unit stay rope, the other end of the traction rope penetrates through the connecting ring, the connecting ring is connected with the buoy, and the connecting ring and/or the buoy is connected with the pendant.
9. A crab trap according to claim 8, wherein: the crab inlet of the cage body is provided with a funnel net which extends to the inner cavity of the cage body and gradually reduces the caliber.
10. A crab trap according to claim 1 or 2 or 3 or 5 or 7 or 9, wherein: the support frame body adopts circular or triangle-shaped frame, the unit supporting leg is equipped with three equidistant setting along the circumference of support frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373510.8U CN219323089U (en) | 2023-03-02 | 2023-03-02 | Crab catching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373510.8U CN219323089U (en) | 2023-03-02 | 2023-03-02 | Crab catching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219323089U true CN219323089U (en) | 2023-07-11 |
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ID=87066807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320373510.8U Active CN219323089U (en) | 2023-03-02 | 2023-03-02 | Crab catching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219323089U (en) |
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2023
- 2023-03-02 CN CN202320373510.8U patent/CN219323089U/en active Active
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