WELL-CASING ARRANGEMENT,申请号SU19782575095-传众专利搜索

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发明名称	WELL-CASING ARRANGEMENT
摘要
申请公布号	SU750043(A2)	申请公布日期	1980.07.23
申请号	SU19782575095	申请日期	1978.02.01
申请人	SIBIRSKIJ NII NEFTYANOJ PROMYSHLENNOSTI	发明人	PRASOLOV VALENTIN A,SU;SAFIULLIN MIDKHAT N,SU;SUKHOV VIKTOR A,SU;SHCHIPACHEV VLADIMIR F,SU
分类号	E21B33/14;(IPC1-7):E21B33/14	主分类号	E21B33/14
代理机构		代理人
主权项
地址

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