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发明名称
UNA DISPOSICIoN DE CIRCUITO PARA SER EMPLEADA EN APARATOS DE SENALIZACIoN AUTOMáTICA
摘要
申请公布号
ES195149(A1)
申请公布日期
1952.04.16
申请号
ES19490001951
申请日期
1950.10.28
申请人
PHILIPS'GLOEILAMPENFABRIEKEN, N. V.
发明人
分类号
(IPC1-7):G09
主分类号
(IPC1-7):G09
代理机构
代理人
主权项
地址
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