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经营范围
发明名称
Verfahren und Vorrichtung zum Messen des Schwingungsunterschiedes mechanischer Schwingungen von nahezu gleicher Schwingungszahl, insbesondere von Uhrenunruhen
摘要
申请公布号
DE629279(C)
申请公布日期
1936.04.25
申请号
DE1933H136606D
申请日期
1933.06.21
申请人
HAMILTON WATCH COMPANY
发明人
分类号
G04D7/12
主分类号
G04D7/12
代理机构
代理人
主权项
地址
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