Drilling fluids and method of using same,申请号US19560625588-传众专利搜索

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发明名称	Drilling fluids and method of using same
摘要
申请公布号	US2969321(A)	申请公布日期	1961.01.24
申请号	US19560625588	申请日期	1956.12.03
申请人	PHILLIPS PETROLEUM COMPANY	发明人	CARPENTER PAUL G.
分类号	C09K8/32	主分类号	C09K8/32
代理机构		代理人
主权项
地址

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