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发明名称
MEJORAS EN O RELATIVAS A SISTEMAS PARA CONTAR IMPULSOS ELÉCTRICOS
摘要
申请公布号
ES177870(A1)
申请公布日期
1947.06.16
申请号
ES19700001778
申请日期
1947.05.03
申请人
STANDARD ELECTRICA, S.A.
发明人
分类号
H03K21/00;H03K23/00;(IPC1-7):G01
主分类号
H03K21/00
代理机构
代理人
主权项
地址
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