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发明名称
Improvements in and relating to electric time delay relays
摘要
申请公布号
GB588604(A)
申请公布日期
1947.05.29
申请号
GB19430009809
申请日期
1943.06.18
申请人
THE BRITISH THOMSON HOUSTON COMPANY LIMITED
发明人
分类号
H03K17/288
主分类号
H03K17/288
代理机构
代理人
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