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发明名称
Treppenstein
摘要
申请公布号
DE801856(C)
申请公布日期
1951.01.25
申请号
DE1948P007310
申请日期
1948.10.02
申请人
LENZ & CO. SUEDDEUTSCHE BAUGESELLSCHAFT M.B.H.
发明人
BAUM ERICH
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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