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发明名称
PERFECCIONAMIENTOS EN AMPLIFICADORES DE ONDA PROGRESIVA TRANSVERSAL
摘要
申请公布号
ES186769(A1)
申请公布日期
1949.03.16
申请号
ES19690001867
申请日期
1949.01.27
申请人
STANDARD ELECTRICA, S.A.
发明人
分类号
(IPC1-7):H01J25/36
主分类号
(IPC1-7):H01J25/36
代理机构
代理人
主权项
地址
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