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经营范围
发明名称
POLARITYYCHANGEABLE RECTIFIER
摘要
申请公布号
JPS5553184(A)
申请公布日期
1980.04.18
申请号
JP19780126206
申请日期
1978.10.16
申请人
HITACHI LTD
发明人
ITOU TETSUO
分类号
H02M7/17;H02M7/145
主分类号
H02M7/17
代理机构
代理人
主权项
地址
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