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发明名称
Zeitsicherung fuer elektrisch aufgezogene Uhren
摘要
申请公布号
DE670614(C)
申请公布日期
1939.01.23
申请号
DE1937J056999D
申请日期
1937.01.30
申请人
GEBRUEDER JUNGHANS A.-G.
发明人
JUNGHANS HELMUT
分类号
G04C1/00
主分类号
G04C1/00
代理机构
代理人
主权项
地址
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