The manner of determination of specific gravity of drilling fluid,申请号PL20060379489-传众专利搜索

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发明名称	The manner of determination of specific gravity of drilling fluid
摘要
申请公布号	PL214160(B1)	申请公布日期	2013.06.28
申请号	PL20060379489	申请日期	2006.04.19
申请人	INSTYTUT NAFTY I GAZU	发明人	SZPUNAR TADEUSZ;BUDAK PAWEL
分类号	E21B21/08	主分类号	E21B21/08
代理机构		代理人
主权项
地址

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