METHOD AND APPARATUS FOR DRILLING WELLS,申请号SU19813278693-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR DRILLING WELLS
摘要
申请公布号	SU1002494(A1)	申请公布日期	1983.03.07
申请号	SU19813278693	申请日期	1981.04.23
申请人	GALAZOV RUSLAN A,SU;KOVALENKO ANATOLIJ,SU;SHUTIJ NIKOLAJ,SU	发明人	GALAZOV RUSLAN A,SU;KOVALENKO ANATOLIJ I,SU;SHUTIJ NIKOLAJ I,SU
分类号	E21B7/00;E21B4/00;(IPC1-7):E21B4/00;E21C1/00	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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