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发明名称
CONSTANT FREQUENCY INVERTER WITH FREQUENCY OVERRIDE
摘要
申请公布号
US3470449(A)
申请公布日期
1969.09.30
申请号
USD3470449
申请日期
1968.04.08
申请人
CUTLER HAMMER INC.
发明人
ROBERT L. RISBERG
分类号
H02M7/517;(IPC1-7):H02M1/18
主分类号
H02M7/517
代理机构
代理人
主权项
地址
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