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发明名称
Vorrichtung zum Aufrechterhalten mechanischer Schwingungen
摘要
申请公布号
CH337794(A)
申请公布日期
1959.04.15
申请号
CHD337794
申请日期
1955.11.04
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
MEYER CLUWEN,JOHANNES
分类号
G04C3/06
主分类号
G04C3/06
代理机构
代理人
主权项
地址
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