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发明名称
Improvements in and relating to electric heating units
摘要
申请公布号
GB521248(A)
申请公布日期
1940.05.16
申请号
GB19380032544
申请日期
1938.11.09
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;WILLIAM JOHN SIMS
发明人
分类号
H05B3/48
主分类号
H05B3/48
代理机构
代理人
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