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发明名称
EINBAUBARE STAHL-BODENTREPPE.
摘要
申请公布号
DE1898116(U)
申请公布日期
1964.08.06
申请号
DE196400D9068U
申请日期
1964.05.16
申请人
FA. THEODOR DAHLMANN
发明人
分类号
主分类号
代理机构
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