Lower element for manhole shafts.,申请号EP19950102844-传众专利搜索

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发明名称	Lower element for manhole shafts.
摘要
申请公布号	EP0670395(A3)	申请公布日期	1996.11.27
申请号	EP19950102844	申请日期	1995.03.01
申请人	H. NIEMEYER SOEHNE GMBH & CO. KG	发明人	DOEBBER, HERMANN;BRUNS, KLEMENS;KROEGER, LOTHAR
分类号	E03F5/02;(IPC1-7):E03F5/02	主分类号	E03F5/02
代理机构		代理人
主权项
地址

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