METHOD AT OPENING WORKING SEAM, FREE AT PERFORATING,申请号SU19894715553-传众专利搜索

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发明名称	METHOD AT OPENING WORKING SEAM, FREE AT PERFORATING
摘要
申请公布号	SU1765372(A1)	申请公布日期	1992.09.30
申请号	SU19894715553	申请日期	1989.07.07
申请人	TATARSK GNI PI NEFTYANOJ	发明人	GABDULLIN RAFAGAT G,SU;IBATULLIN RUSTAM KH,SU;SHAYAKHMETOV SHAMIL K,SU
分类号	E21B43/11	主分类号	E21B43/11
代理机构		代理人
主权项
地址

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