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经营范围
发明名称
Utility duct elements
摘要
申请公布号
EP0545141(B1)
申请公布日期
1997.01.29
申请号
EP19920119656
申请日期
1992.11.19
申请人
FRIATEC AG KERAMIK- UND KUNSTSTOFFWERKE
发明人
BLAESS, JUERGEN;SCHULZE, HANS
分类号
E03C1/00;E03C1/01;E04F17/08;(IPC1-7):E04F17/08
主分类号
E03C1/00
代理机构
代理人
主权项
地址
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