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经营范围
发明名称
Improvements in or relating to electric heaters
摘要
申请公布号
GB574107(A)
申请公布日期
1945.12.20
申请号
GB19440000066
申请日期
1944.01.03
申请人
HERBERT INGRAM
发明人
分类号
H05B3/28
主分类号
H05B3/28
代理机构
代理人
主权项
地址
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