Access shaft structure for manholes,申请号EP20050014411-传众专利搜索

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发明名称	Access shaft structure for manholes
摘要
申请公布号	EP1632611(A3)	申请公布日期	2006.05.17
申请号	EP20050014411	申请日期	2005.07.02
申请人	GEORG PRINZING GMBH & CO. KG BETONFORMEN- UND MASCHINENFABRIK	发明人	KRAISS, RICHARD
分类号	E02D29/14;E02D29/12	主分类号	E02D29/14
代理机构		代理人
主权项
地址

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