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发明名称
Einrichtung zur selbsttaetigen Aufrechterhaltung der Schwingungszahl eines Oszillators
摘要
申请公布号
DE574176(C)
申请公布日期
1933.04.12
申请号
DE1932Z019941D
申请日期
1932.02.03
申请人
FIRMA CARL ZEISS
发明人
分类号
H03B5/30
主分类号
H03B5/30
代理机构
代理人
主权项
地址
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