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发明名称
Einrichtung zur selbsttaetigen Frequenzkorrektion
摘要
申请公布号
DE868168(C)
申请公布日期
1953.02.23
申请号
DE1948P020714
申请日期
1948.11.05
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
HUGENHOLTZ EDUARD HERMAN
分类号
H03J7/02;H03L7/14
主分类号
H03J7/02
代理机构
代理人
主权项
地址
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