JOINT D'ETANCHEITE POUR ORGANE TELESCOPIQUE DE PUITS,申请号FR19820014260-传众专利搜索

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发明名称	JOINT D'ETANCHEITE POUR ORGANE TELESCOPIQUE DE PUITS
摘要
申请公布号	FR2510703(B1)	申请公布日期	1986.04.11
申请号	FR19820014260	申请日期	1982.08.18
申请人	AVA INTERNATIONAL CORP	发明人	NEIL H. AKKERMAN
分类号	E21B17/06;E21B23/00;E21B23/02;E21B33/12;E21B43/10;F16J15/32;F16L17/035;F16L37/133;(IPC1-7):F16J15/10	主分类号	E21B17/06
代理机构		代理人
主权项
地址

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