Auxiliary crank for a screw driver,申请号US19590807204-传众专利搜索

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法人/股东/高管

发明名称	Auxiliary crank for a screw driver
摘要
申请公布号	US2938555(A)	申请公布日期	1960.05.31
申请号	US19590807204	申请日期	1959.04.17
申请人	ERKKI PAAJANEN	发明人	PAAJANEN ERKKI
分类号	B25G1/00	主分类号	B25G1/00
代理机构		代理人
主权项
地址

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