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经营范围
发明名称
Montage changeur de fréquence
摘要
申请公布号
FR59119(E)
申请公布日期
1954.04.23
申请号
FRD59119
申请日期
1949.03.18
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03D7/08;H03D7/10
主分类号
H03D7/08
代理机构
代理人
主权项
地址
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