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发明名称
TRANSISTOR CHOPPER DEVICE
摘要
申请公布号
JPS54110420(A)
申请公布日期
1979.08.29
申请号
JP19780017626
申请日期
1978.02.20
申请人
HITACHI LTD
发明人
KURIYAMA SHIGERU;TAKAHASHI AKIRA
分类号
H05K7/20;H02M3/00;H02M3/155
主分类号
H05K7/20
代理机构
代理人
主权项
地址
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