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经营范围
发明名称
DC/DC converter
摘要
申请公布号
US4902957(A)
申请公布日期
1990.02.20
申请号
US19890344182
申请日期
1989.04.27
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CASSANI, JOHN C.;DEMOOR, MARK K.;GRAF, PAUL W.;HURD, JONATHAN J.;JONES, CHRISTOPHER D.;NEWTON, STEPHEN F.;THOMAS, DAVID R.
分类号
H02M3/155;H02M3/156
主分类号
H02M3/155
代理机构
代理人
主权项
地址
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