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发明名称
UNTERDACH
摘要
申请公布号
DE2930898(A1)
申请公布日期
1981.02.05
申请号
DE19792930898
申请日期
1979.07.30
申请人
FA. MANFRED HELFRECHT
发明人
HELFRECHT,MANFRED
分类号
E04B7/22;(IPC1-7):E04D1/36;E04D13/16
主分类号
E04B7/22
代理机构
代理人
主权项
地址
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