Apparatus for cutting and milling in well bores,申请号US19620222052-传众专利搜索

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发明名称	Apparatus for cutting and milling in well bores
摘要
申请公布号	US3195636(A)	申请公布日期	1965.07.20
申请号	US19620222052	申请日期	1962.09.07
申请人	THE SERVCO COMPANY	发明人	CORDARY BRACE J.;WEBER ROBERT W.
分类号	E21B29/00	主分类号	E21B29/00
代理机构		代理人
主权项
地址

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