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经营范围
发明名称
DISPOSICIoN PARA PRODUCIR UNA TENSIoN ALTERNA CON FRENTE ESCARPADO DE LAS ONDAS
摘要
申请公布号
ES140525(A1)
申请公布日期
1936.02.16
申请号
ES19250001405
申请日期
1935.12.11
申请人
GEATHOM. AEG. ALS. THOM. I. G. E. & COMPANIA, S.A.
发明人
分类号
(IPC1-7):H02
主分类号
(IPC1-7):H02
代理机构
代理人
主权项
地址
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