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发明名称
Improvements relating to thermally-operated overload relays
摘要
申请公布号
GB515602(A)
申请公布日期
1939.12.08
申请号
GB19380018361
申请日期
1938.06.21
申请人
GEORGE OWEN DONOVAN
发明人
分类号
H01H71/20
主分类号
H01H71/20
代理机构
代理人
主权项
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