Drilling fluid composition and method,申请号US19520306299-传众专利搜索

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发明名称	Drilling fluid composition and method
摘要
申请公布号	US2698833(A)	申请公布日期	1955.01.04
申请号	US19520306299	申请日期	1952.08.25
申请人	OIL BASE, INC.	发明人	WILSON DOYNE L.
分类号	C09K8/28	主分类号	C09K8/28
代理机构		代理人
主权项
地址

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