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发明名称
Détecteur de fréquence
摘要
申请公布号
FR1054543(A)
申请公布日期
1954.02.11
申请号
FRD1054543
申请日期
1952.04.16
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03D9/04;H03J7/04
主分类号
H03D9/04
代理机构
代理人
主权项
地址
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