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发明名称
Improvements relating to protective devices for electrical transformers and other electrical translating devices
摘要
申请公布号
GB342210(A)
申请公布日期
1931.01.29
申请号
GB19300010489
申请日期
1930.04.02
申请人
发明人
分类号
H02H5/08
主分类号
H02H5/08
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代理人
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