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发明名称
摘要
申请公布号
JPS6112473(B2)
申请公布日期
1986.04.08
申请号
JP19780122601
申请日期
1978.10.06
申请人
HITACHI LTD
发明人
TAKEDA KATSUNOBU;FUKUI YUKIO
分类号
H02M3/335;H02M7/537
主分类号
H02M3/335
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