Oil-base drilling muds and methods of drilling with same,申请号US19520264831-传众专利搜索

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发明名称	Oil-base drilling muds and methods of drilling with same
摘要
申请公布号	US2743233(A)	申请公布日期	1956.04.24
申请号	US19520264831	申请日期	1952.01.03
申请人	PHILLIPS PETROLEUM COMPANY	发明人	FISHER HENRY B.
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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