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发明名称
Improvements in and relating to electric control systems employing resonance relays
摘要
申请公布号
GB485419(A)
申请公布日期
1938.05.19
申请号
GB19370016018
申请日期
1937.06.09
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H01H51/32
主分类号
H01H51/32
代理机构
代理人
主权项
地址
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