Mounting for the mast of a drilling rig for drilling either vertical or slanting holes,申请号US19620242662-传众专利搜索

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发明名称	Mounting for the mast of a drilling rig for drilling either vertical or slanting holes
摘要
申请公布号	US3245180(A)	申请公布日期	1966.04.12
申请号	US19620242662	申请日期	1962.12.06
申请人	GEORGE E. FAILLING COMPANY	发明人	BULES HERSCHEL L.;SNYDER BYRON V.;WEATHERSBY JAMES W.;POPE LAWRENCE E.
分类号	E21B15/04	主分类号	E21B15/04
代理机构		代理人
主权项
地址

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