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经营范围
发明名称
Electric furnace construction
摘要
申请公布号
US3257492(A)
申请公布日期
1966.06.21
申请号
US19650480223
申请日期
1965.07.15
申请人
C. I. HAYES, INC.
发明人
WESTEREN HERBERT W.
分类号
B28B3/12;B28B5/02;C21D1/773;D01F9/32;F24H1/12;F27D11/00;F27D11/02;H01C7/02;H05B3/42;H05B3/62;H05B3/66
主分类号
B28B3/12
代理机构
代理人
主权项
地址
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