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经营范围
发明名称
Electric furnace for melting and refining metals and other materials
摘要
申请公布号
US2112161(A)
申请公布日期
1938.03.22
申请号
US19350016717
申请日期
1935.04.16
申请人
DANIEL KELLY THOMAS
发明人
KELLY THOMAS DANIEL
分类号
C21C5/52;F27D11/08;H05B7/00
主分类号
C21C5/52
代理机构
代理人
主权项
地址
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