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经营范围
发明名称
VARIABLE WIDTH OVERCURRENT RELAY
摘要
申请公布号
JPS6277018(A)
申请公布日期
1987.04.09
申请号
JP19850212980
申请日期
1985.09.26
申请人
HITACHI LTD
发明人
YOKOYAMA KAZUYUKI
分类号
H02H3/44
主分类号
H02H3/44
代理机构
代理人
主权项
地址
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