Cam operated expanding wrench,申请号US19490125971-传众专利搜索

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发明名称	Cam operated expanding wrench
摘要
申请公布号	US2627773(A)	申请公布日期	1953.02.10
申请号	US19490125971	申请日期	1949.11.07
申请人	BARNETT VAUGHN J	发明人	BARNETT VAUGHN J.
分类号	B25B13/54	主分类号	B25B13/54
代理机构		代理人
主权项
地址

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