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发明名称
PERFECCIONAMIENTOS EN LOS APARATOS PARA COMPROBAR LA EXISTENCIA DE TENSIONES ELECTRICAS ALTERNAS
摘要
申请公布号
ES243837(A1)
申请公布日期
1959.01.01
申请号
ES19370002438
申请日期
1958.08.28
申请人
SCHIFFMANN, ALOIS
发明人
分类号
G01R;(IPC1-7):G01R
主分类号
G01R
代理机构
代理人
主权项
地址
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