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发明名称
WERBEDIAPOSITIV, INSBESONDERE FUER UHREN.
摘要
申请公布号
DE1667720(U)
申请公布日期
1953.12.03
申请号
DE195300N3439U
申请日期
1953.09.22
申请人
HANS NEUMANN
发明人
HANS NEUMANN
分类号
主分类号
代理机构
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