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发明名称
WERBESCHRANK MIT REFLEKTIERENDEN SPIEGELN O. DGL.
摘要
申请公布号
DE1613581(U)
申请公布日期
1950.09.21
申请号
DE194900D0105U
申请日期
1949.10.31
申请人
PAUL DAHM
发明人
PAUL DAHM
分类号
主分类号
代理机构
代理人
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