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发明名称
CURRENT DIFFERENTIAL RELAY UNIT
摘要
申请公布号
JPS57113720(A)
申请公布日期
1982.07.15
申请号
JP19810000470
申请日期
1981.01.07
申请人
TOKYO SHIBAURA DENKI KK
发明人
OOKAWA TETSUO
分类号
H02H3/28;H02H3/30
主分类号
H02H3/28
代理机构
代理人
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