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经营范围
发明名称
DIFFERENTIAL PROTECTION RELAY
摘要
PURPOSE:To eliminate an operation of useless lock by means of discriminating an abnormal detection by amount of level and its lasting time of the noise, at an operation other than regular one caused by the noise in the transmission line.
申请公布号
JPS5239148(A)
申请公布日期
1977.03.26
申请号
JP19750114599
申请日期
1975.09.22
申请人
MITSUBISHI ELECTRIC CORP
发明人
SUZUKI KENJI;SUZUKI SUNAO
分类号
H02H3/28;H02H7/22
主分类号
H02H3/28
代理机构
代理人
主权项
地址
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