MONITORING DRILLING OPERATIONS,申请号GB19870026727-传众专利搜索

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发明名称	MONITORING DRILLING OPERATIONS
摘要
申请公布号	GB8726727(D0)	申请公布日期	1987.12.16
申请号	GB19870026727	申请日期	1987.11.14
申请人	FOREX NEPTUNE SA	发明人
分类号	E21B21/08;E21B44/00;E21B49/00;G01N30/02	主分类号	E21B21/08
代理机构		代理人
主权项
地址

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