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经营范围
发明名称
Electric furnace
摘要
申请公布号
US1763239(A)
申请公布日期
1930.06.10
申请号
US19240709721
申请日期
1924.04.29
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
KEENE ALVIN D.
分类号
H05B3/66
主分类号
H05B3/66
代理机构
代理人
主权项
地址
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