Способ закрепления песков в призабойной зоне нефтяных скважин,申请号SU19450337696-传众专利搜索

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发明名称	Способ закрепления песков в призабойной зоне нефтяных скважин
摘要
申请公布号	SU68633(A1)	申请公布日期	1946.11.30
申请号	SU19450337696	申请日期	1945.02.20
申请人	LIVENTAL V.E.	发明人	LIVENTAL V.E.
分类号	E21B43/04	主分类号	E21B43/04
代理机构		代理人
主权项
地址

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