Internally applied expanding friction-grip wrench,申请号US19460695736-传众专利搜索

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发明名称	Internally applied expanding friction-grip wrench
摘要
申请公布号	US2573327(A)	申请公布日期	1951.10.30
申请号	US19460695736	申请日期	1946.09.09
申请人	GOSSARD ROY R	发明人	GOSSARD ROY R.
分类号	B25B13/50	主分类号	B25B13/50
代理机构		代理人
主权项
地址

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