Safety drill press,申请号US19360117989-传众专利搜索

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发明名称	Safety drill press
摘要
申请公布号	US2123337(A)	申请公布日期	1938.07.12
申请号	US19360117989	申请日期	1936.12.28
申请人	JOHN KOSMAN;JOSEPH ALTERMAN	发明人	KOSMAN JOHN;ALTERMAN JOSEPH
分类号	B23B47/18;B23Q5/58	主分类号	B23B47/18
代理机构		代理人
主权项
地址

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