A double-walled pipe assembly,申请号EP19940113759-传众专利搜索

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发明名称	A double-walled pipe assembly
摘要
申请公布号	EP0643250(B1)	申请公布日期	1997.04.16
申请号	EP19940113759	申请日期	1994.09.02
申请人	BRAAS GMBH	发明人	WANNER, WENDELIN
分类号	E04F17/02;F16L39/00;F23J13/02;(IPC1-7):F16L39/00	主分类号	E04F17/02
代理机构		代理人
主权项
地址

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