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经营范围
发明名称
Improvements in or relating to an electrical heating unit
摘要
申请公布号
GB659343(A)
申请公布日期
1951.10.24
申请号
GB19490010888
申请日期
1949.04.25
申请人
TEMPRET PRODUCTS, INC.
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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