Method and device for drilling precision holes,申请号US19590801419-传众专利搜索

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发明名称	Method and device for drilling precision holes
摘要
申请公布号	US3029664(A)	申请公布日期	1962.04.17
申请号	US19590801419	申请日期	1959.03.23
申请人	FRANK SR MILTON A	发明人	SR. MILTON A. FRANK,
分类号	G04D3/02	主分类号	G04D3/02
代理机构		代理人
主权项
地址

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