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发明名称
Massivtreppe aus Stahlbetonfertigteilen
摘要
申请公布号
DE806489(C)
申请公布日期
1951.06.14
申请号
DE1949P030898
申请日期
1949.01.04
申请人
DIPL.-ING. WILHELM SALBERT
发明人
SALBERT DIPL.-ING. WILHELM
分类号
E04F11/116
主分类号
E04F11/116
代理机构
代理人
主权项
地址
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