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经营范围
发明名称
Improvements in or relating to electric tubular heating elements
摘要
申请公布号
GB551593(A)
申请公布日期
1943.03.02
申请号
GB19410016475
申请日期
1941.12.22
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED;WILLIAM JOHN SIMS;BASIL PERCIVAL BRUNT
发明人
分类号
H05B3/46
主分类号
H05B3/46
代理机构
代理人
主权项
地址
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