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发明名称
SISTEMA DE GENERAR IMPULSOS CARACTERISTICOS DE ONDAS DE SONIDO Y SIMILARES
摘要
申请公布号
ES177690(A1)
申请公布日期
1947.06.01
申请号
ES19900001776
申请日期
1947.04.21
申请人
STANDARD ELECTRICA, S.A.
发明人
分类号
H03K7/00;H03K7/08;H04N5/067;(IPC1-7):H03
主分类号
H03K7/00
代理机构
代理人
主权项
地址
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