Rotary impact wrench device,申请号US19470794379-传众专利搜索

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发明名称	Rotary impact wrench device
摘要
申请公布号	US2530915(A)	申请公布日期	1950.11.21
申请号	US19470794379	申请日期	1947.12.29
申请人	JOSEPH STEC	发明人	STEC JOSEPH
分类号	B25B23/00	主分类号	B25B23/00
代理机构		代理人
主权项
地址

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