Oil base drilling mud additive,申请号US19590818524-传众专利搜索

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发明名称	Oil base drilling mud additive
摘要
申请公布号	US3085976(A)	申请公布日期	1963.04.16
申请号	US19590818524	申请日期	1959.06.08
申请人	CONTINENTAL OIL COMPANY	发明人	PHANSALKAR ACHYUT K.;POPHAM JACK L.
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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