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发明名称
METHODS OF OPERATING ELECTRIC ARC FURNACES
摘要
申请公布号
GB1570636(A)
申请公布日期
1980.07.02
申请号
GB19770001067
申请日期
1977.01.12
申请人
SANYO SPECIAL STEEL CO LTD
发明人
分类号
C21C5/52;F27D11/08;(IPC1-7):05B7/18
主分类号
C21C5/52
代理机构
代理人
主权项
地址
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