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发明名称
摘要
申请公布号
JPS6018196(B2)
申请公布日期
1985.05.09
申请号
JP19770101643
申请日期
1977.08.26
申请人
HITACHI LTD
发明人
NARITA HIROSHI;IBAMOTO MASAHIKO;TOYAMA JINICHI
分类号
H02M1/06;H02P7/29
主分类号
H02M1/06
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