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发明名称
UN DISPOSITIVO DE INTERRUPTOR PARA SISTEMAS DE TELEFONiA AUTOMáTICA O SISTEMAS SIMILARES
摘要
申请公布号
ES196133(A2)
申请公布日期
1953.01.01
申请号
ES19330001961
申请日期
1951.01.15
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
主权项
地址
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