发明授权
US07926186B2 Releasable pike pole 有权
可释放的矛杆

Releasable pike pole
摘要:
A pike pole has a cutting-piercing member connected to one end of the pole. The cutting member normally extends outwardly from the pike pole. The cutting member can be released by a controlling member and be pivotally moveable to a position extending generally along the piercing member.
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