Dispositif pour le transfert d'énergie et la transmission d'informations entre le fond d'un forage et la surface,申请号FR19650033291-传众专利搜索

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发明名称	Dispositif pour le transfert d'énergie et la transmission d'informations entre le fond d'un forage et la surface
摘要
申请公布号	FR1448620(A)	申请公布日期	1966.08.05
申请号	FR19650033291	申请日期	1965.09.30
申请人	BORG-WARNER CORPORATION	发明人
分类号	E21B47/12	主分类号	E21B47/12
代理机构		代理人
主权项
地址

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