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发明名称
摘要
申请公布号
JPH0519373(B2)
申请公布日期
1993.03.16
申请号
JP19840254290
申请日期
1984.11.30
申请人
HITACHI LTD
发明人
KOJIMA TOSHIHARU;SUZUKI YUKIO;TERAUE YOSHIKAZU
分类号
H02H3/20;H02H3/24
主分类号
H02H3/20
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代理人
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