WELL DRILLING OPERATION CONTROL PROCEDURE,申请号GB19880003667-传众专利搜索

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发明名称	WELL DRILLING OPERATION CONTROL PROCEDURE
摘要
申请公布号	GB2201790(B)	申请公布日期	1990.12.19
申请号	GB19880003667	申请日期	1988.02.17
申请人	* FOREX NEPTUNE SA	发明人	JEAN CLAUDE * BOURDON
分类号	E21B12/02;E21B44/00;E21B49/00	主分类号	E21B12/02
代理机构		代理人
主权项
地址

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