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发明名称
Einrichtung zum selbsttaetigen elektromagnetischen Wiederaufziehen der Antriebsfeder bei Uhrwerken oder anderen Federaufzuegen
摘要
申请公布号
DE549500(C)
申请公布日期
1932.04.28
申请号
DE1927S080974D
申请日期
1927.07.30
申请人
AUREL SZENTE
发明人
分类号
G04C1/06
主分类号
G04C1/06
代理机构
代理人
主权项
地址
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