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发明名称
Improvements in and relating to electric heating devices
摘要
申请公布号
GB645433(A)
申请公布日期
1950.11.01
申请号
GB19480002855
申请日期
1948.01.30
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H05B3/34
主分类号
H05B3/34
代理机构
代理人
主权项
地址
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