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经营范围
发明名称
RATIO DIFFERENTIAL RELAY
摘要
PURPOSE:To enable detection of slight failure by employing independent hollow current transformer in differential and suppression circuit respectively.
申请公布号
JPS52124153(A)
申请公布日期
1977.10.18
申请号
JP19760041552
申请日期
1976.04.12
申请人
MITSUBISHI ELECTRIC CORP
发明人
MATSUMOTO TADASHI
分类号
H02H7/06;H02H3/26;H02H3/28;H02H7/22
主分类号
H02H7/06
代理机构
代理人
主权项
地址
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