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经营范围
发明名称
FURNACE HEATING CONTROL
摘要
申请公布号
US3447745(A)
申请公布日期
1969.06.03
申请号
USD3447745
申请日期
1966.07.25
申请人
ELECTRIC FURNACE CO.:THE
发明人
RALPH J. PERRINE;FRANK ROBERT MATHEWS
分类号
C21D11/00;C23C2/40;(IPC1-7):F23N1/00;F27B9/20;G05D23/00
主分类号
C21D11/00
代理机构
代理人
主权项
地址
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