IMPROVED COMPOSITION FOR OIL BASED DRILLING FLUID,申请号IE19810002338-传众专利搜索

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发明名称	IMPROVED COMPOSITION FOR OIL BASED DRILLING FLUID
摘要
申请公布号	IE812338(L)	申请公布日期	1982.04.07
申请号	IE19810002338	申请日期	1981.10.06
申请人	B.W. MUD LTD.	发明人
分类号	(IPC1-7):C09K7/06	主分类号	(IPC1-7):C09K7/06
代理机构		代理人
主权项
地址

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