Промывочная жидкость для бурения нефтяных и газовых скважин,申请号SU19510575305-传众专利搜索

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发明名称	Промывочная жидкость для бурения нефтяных и газовых скважин
摘要
申请公布号	SU115146(A1)	申请公布日期	1957.11.30
申请号	SU19510575305	申请日期	1951.06.30
申请人	GEJMAN M.A.;STOLYAROV A.D.	发明人	GEJMAN M.A.;STOLYAROV A.D.
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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