| 摘要 |
PURPOSE: A noise generator for fish chasing is provided to generate noise by striking a tube body. CONSTITUTION: A wire hanging part(8) is formed in upper part of the tube body(6). In internal side of the tube body, a striking part is installed. The striking part generates noise by striking inside wall of the tube body. In upper part of the tube body, an inlet is formed(9). One between a wire(12) and a pneumatic hose passes through the inlet.
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