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发明名称
UN SISTEMA DE COMUNICACIoN CON MODULACIoN DE IMPULSOS
摘要
申请公布号
ES173058(A1)
申请公布日期
1946.05.01
申请号
ES19580001730
申请日期
1946.03.30
申请人
STANDARD ELECTRICA, S.A.
发明人
分类号
(IPC1-7):H03
主分类号
(IPC1-7):H03
代理机构
代理人
主权项
地址
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