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经营范围
发明名称
Montage chercheur d'appel
摘要
申请公布号
FR992389(A)
申请公布日期
1951.10.17
申请号
FRD992389
申请日期
1949.08.10
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H04Q3/00;H04Q3/42
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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