Reversible impact driving screw driver design,申请号US19520291846-传众专利搜索

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发明名称	Reversible impact driving screw driver design
摘要
申请公布号	US2631484(A)	申请公布日期	1953.03.17
申请号	US19520291846	申请日期	1952.06.05
申请人	SPIELMAN JAMES F	发明人	SPIELMAN JAMES F.
分类号	B25B15/06	主分类号	B25B15/06
代理机构		代理人
主权项
地址

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