STRUCTURE PORTEUSE POUR SONDAGES DE FORAGES.,申请号FR19910012256-传众专利搜索

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发明名称	STRUCTURE PORTEUSE POUR SONDAGES DE FORAGES.
摘要
申请公布号	FR2671374(B1)	申请公布日期	1997.11.14
申请号	FR19910012256	申请日期	1991.10.04
申请人	ANDINA RAYMOND	发明人	ANDINA RAYMOND
分类号	E21B1/02;E21B15/00;E21B19/14;(IPC1-7):E21B11/02;E02D1/02	主分类号	E21B1/02
代理机构		代理人
主权项
地址

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