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发明名称
Bodentreppe mit geprüfter Feuerwiderstandsdauer
摘要
申请公布号
DE29704139(U1)
申请公布日期
1997.05.07
申请号
DE19972004139U
申请日期
1997.03.07
申请人
WELLHOEFER TREPPEN GMBH, 97084 WUERZBURG, DE
发明人
分类号
E04F11/04;(IPC1-7):E04F11/04
主分类号
E04F11/04
代理机构
代理人
主权项
地址
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