Mortising attachment for portable drill,申请号US19570693656-传众专利搜索

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法人/股东/高管

发明名称	Mortising attachment for portable drill
摘要
申请公布号	US2920662(A)	申请公布日期	1960.01.12
申请号	US19570693656	申请日期	1957.10.31
申请人	JOHN CZERNIEWICZ	发明人	CZERNIEWICZ JOHN
分类号	B23B45/14;B27F5/10	主分类号	B23B45/14
代理机构		代理人
主权项
地址

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