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经营范围
发明名称
RATIO DIFFERENTIAL RELAYING DEVICE
摘要
申请公布号
JPS6087616(A)
申请公布日期
1985.05.17
申请号
JP19830195308
申请日期
1983.10.20
申请人
TOSHIBA KK
发明人
TAKANO NORIO;YAMAURA MITSURU
分类号
H02H3/28
主分类号
H02H3/28
代理机构
代理人
主权项
地址
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