Electric arc drill,申请号US19450602010-传众专利搜索

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发明名称	Electric arc drill
摘要
申请公布号	US2501954(A)	申请公布日期	1950.03.28
申请号	US19450602010	申请日期	1945.06.28
申请人	MCKECHNIE IAN C;BLUE ROY E;OLIPHANT LESTER E	发明人	MCKECHNIE IAN C.;BLUE ROY E.;OLIPHANT LESTER E.
分类号	B23H9/00	主分类号	B23H9/00
代理机构		代理人
主权项
地址

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