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发明名称
Process for voltage-frequency conversion
摘要
申请公布号
EP0473816(B1)
申请公布日期
1997.08.06
申请号
EP19900116904
申请日期
1990.09.03
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
HARTWIG, HAGEN, DIPL.-ING.
分类号
H03C3/00;H03C3/09;H03K7/06;H03L7/099;H03L7/18;(IPC1-7):H03L7/18
主分类号
H03C3/00
代理机构
代理人
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