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发明名称
DIRECT THYRISTRORIZED FREQUENCY CHANGER
摘要
申请公布号
PL143228(B1)
申请公布日期
1988.01.30
申请号
PL19840246441
申请日期
1984.02.27
申请人
发明人
分类号
H02M;H02M5/27;(IPC1-7):H02M5/27
主分类号
H02M
代理机构
代理人
主权项
地址
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