COMPENSATION FOR MUD FLOW INDICATORS,申请号GB19920025997-传众专利搜索

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发明名称	COMPENSATION FOR MUD FLOW INDICATORS
摘要
申请公布号	GB9225997(D0)	申请公布日期	1993.02.10
申请号	GB19920025997	申请日期	1992.12.12
申请人	BLATCH TIMOTHY P.	发明人
分类号	E21B21/00;E21B21/08	主分类号	E21B21/00
代理机构		代理人
主权项
地址

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