WELL-DRILLING APPARATUS,申请号SU19782604330-传众专利搜索

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发明名称	WELL-DRILLING APPARATUS
摘要
申请公布号	SU899825(A1)	申请公布日期	1982.01.23
申请号	SU19782604330	申请日期	1978.04.12
申请人	SEVERO-KAVKAZSKOGO GNI PI NEFTYANOJ PROMYSHLENNOSTI	发明人	ANTAMANOV SERGEJ I,SU;AVANESYAN VALERIJ S,SU
分类号	E21B10/26;(IPC1-7):E21B10/26	主分类号	E21B10/26
代理机构		代理人
主权项
地址

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