JOINT FOR PIPES,申请号GB19770030730-传众专利搜索

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发明名称	JOINT FOR PIPES
摘要
申请公布号	GB1587836(A)	申请公布日期	1981.04.08
申请号	GB19770030730	申请日期	1977.07.21
申请人	VALLOUREC (USINES A TUBES DE LORRAINE-ESCAUT ET VALLOURE	发明人
分类号	F16L15/00;E21B17/00;E21B17/042;F16B33/02;F16L15/06;(IPC1-7):F16L15/00;E21B17/08	主分类号	F16L15/00
代理机构		代理人
主权项
地址

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