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发明名称
SPINDELTREPPE
摘要
申请公布号
DE2623484(A1)
申请公布日期
1977.12.08
申请号
DE19762623484
申请日期
1976.05.26
申请人
ZIMMERMANN,ERICH
发明人
分类号
E04F11/032;(IPC1-7):E04F11/02
主分类号
E04F11/032
代理机构
代理人
主权项
地址
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