Fluide utilisé dans le forage des puits,申请号FRD863386-传众专利搜索

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发明名称	Fluide utilisé dans le forage des puits
摘要
申请公布号	FR863386(A)	申请公布日期	1941.03.31
申请号	FRD863386	申请日期	1940.02.12
申请人	N. V. DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ	发明人
分类号	C09K8/05	主分类号	C09K8/05
代理机构		代理人
主权项
地址

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