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发明名称
PERFECCIONAMIENTOS EN DISPOSITIVOS DE EXCITACION PARA MA- QUINAS SINCRONAS SIN ESCOBILLAS CON NUMERO DE REVOLUCIONES VARIABLE.
摘要
申请公布号
ES394423(A1)
申请公布日期
1973.12.16
申请号
ES19230003944
申请日期
1971.08.21
申请人
SIEMENS, A. G.
发明人
分类号
H02P23/00;H02K19/12;H02K19/26;H02K19/38;H02P9/14;(IPC1-7):02K/
主分类号
H02P23/00
代理机构
代理人
主权项
地址
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