| 摘要 |
PROBLEM TO BE SOLVED: To provide a hook with a tube, with which, when the hook is removed from a caught fish, the fish is simply removed from the hook without using a tool and damaging a fish body. SOLUTION: The root of a barb is closed only by moving a tube body attached to the hook and the action of the barb is eliminated when the hook is removed from the fish's throat. COPYRIGHT: (C)2003,JPO
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