Способ термохимической обработки нефтяных скважин,申请号SU19470355540-传众专利搜索

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发明名称	Способ термохимической обработки нефтяных скважин
摘要
申请公布号	SU72047(A1)	申请公布日期	1947.11.30
申请号	SU19470355540	申请日期	1947.05.29
申请人	CHASOVNIKOV A.S.	发明人	CHASOVNIKOV A.S.
分类号	E21B43/27	主分类号	E21B43/27
代理机构		代理人
主权项
地址

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