Drill press attachment,申请号US19540433658-传众专利搜索

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发明名称	Drill press attachment
摘要
申请公布号	US2783671(A)	申请公布日期	1957.03.05
申请号	US19540433658	申请日期	1954.06.01
申请人	CUSHION DAVID H	发明人	CUSHION DAVID H.
分类号	B23Q37/00	主分类号	B23Q37/00
代理机构		代理人
主权项
地址

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