DISPOSITIF DE FORAGE A TRAJECTOIRE CONTROLEE ET PROCEDE DE REGLAGE DE TRAJECTOIRE CORRESPONDANT,申请号FR19870004321-传众专利搜索

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发明名称	DISPOSITIF DE FORAGE A TRAJECTOIRE CONTROLEE ET PROCEDE DE REGLAGE DE TRAJECTOIRE CORRESPONDANT
摘要
申请公布号	FR2612983(B2)	申请公布日期	1990.02.09
申请号	FR19870004321	申请日期	1987.03.27
申请人	SMF INT	发明人	CENDRE ANDRE;BOULET JEAN
分类号	E21B7/06;E21B17/10;E21B21/10;E21B23/00;E21B33/127;E21B34/10;E21B43/112;F16K17/30;(IPC1-7):E21B7/06	主分类号	E21B7/06
代理机构		代理人
主权项
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