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发明名称
FREQUENCY CONVERTERS
摘要
申请公布号
GB1491664(A)
申请公布日期
1977.11.09
申请号
GB19760024188
申请日期
1976.06.11
申请人
SIEMENS AG
发明人
分类号
H03C1/54;H03D1/22;H03D7/12;H03D7/14;H03G3/10;H04J1/02;H04J1/04;H04J1/06;H04J1/16;(IPC1-7):H03C1/02
主分类号
H03C1/54
代理机构
代理人
主权项
地址
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