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发明名称
Electrical heating device
摘要
申请公布号
US2122522(A)
申请公布日期
1938.07.05
申请号
US19340758978
申请日期
1934.12.24
申请人
HUGHES JAMES G
发明人
HUGHES JAMES G.
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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