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发明名称
UN DISPOSITIVO QUE PERMITE SINTONIZAR LOS APARATOS RADIOELÉCTRICOS CON ENSANCHE DE BANDA
摘要
申请公布号
ES180163(A1)
申请公布日期
1947.11.16
申请号
ES19630001801
申请日期
1947.10.17
申请人
PHILIPS'GLOEILAMPENFABRIEKEN, N. V.
发明人
分类号
(IPC1-7):H04
主分类号
(IPC1-7):H04
代理机构
代理人
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