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发明名称
Improvements in electric furnaces
摘要
申请公布号
GB432712(A)
申请公布日期
1935.07.29
申请号
GB19330036408
申请日期
1933.12.27
申请人
IVAR RENNERFELT
发明人
分类号
H05B11/00
主分类号
H05B11/00
代理机构
代理人
主权项
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