Способ изоляции пластов,申请号SU19590618414-传众专利搜索

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发明名称	Способ изоляции пластов
摘要
申请公布号	SU123907(A2)	申请公布日期	1959.11.30
申请号	SU19590618414	申请日期	1959.02.05
申请人	LESIK N.P.;USACHEV P.M.	发明人	LESIK N.P.;USACHEV P.M.
分类号	E21B33/138;E21B43/26	主分类号	E21B33/138
代理机构		代理人
主权项
地址

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