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发明名称
FREQUENCY CHANGER WITH THYRISTORIZED VOLTAGE INVERTER
摘要
申请公布号
PL148667(B1)
申请公布日期
1989.11.30
申请号
PL19850256923
申请日期
1985.12.19
申请人
发明人
分类号
H02M;H02M5/451;(IPC1-7):H02M5/451
主分类号
H02M
代理机构
代理人
主权项
地址
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