DISPOSITIF DILATABLE D'OBTURATION DE CANALISATION,申请号FR19850016549-传众专利搜索

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发明名称	DISPOSITIF DILATABLE D'OBTURATION DE CANALISATION
摘要
申请公布号	FR2589980(B1)	申请公布日期	1988.04.29
申请号	FR19850016549	申请日期	1985.11.08
申请人	LEVIEL CHRISTIAN	发明人
分类号	E21B33/127;F16K7/10;F16L55/134;(IPC1-7):F16L55/12	主分类号	E21B33/127
代理机构		代理人
主权项
地址

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