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发明名称
POLARISIERTE ELEKTROMAGNETISCHE NEBENUHR.
摘要
申请公布号
DE1658659(U)
申请公布日期
1953.07.09
申请号
DE195300T3506U
申请日期
1953.04.27
申请人
TELEFONBAU UND NORMALZEIT G. M. B. H.
发明人
分类号
G04C13/08;G04C23/00
主分类号
G04C13/08
代理机构
代理人
主权项
地址
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