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发明名称
Steel making lances
摘要
申请公布号
GB9714802(D0)
申请公布日期
1997.09.17
申请号
GB19970014802
申请日期
1997.07.15
申请人
BRITISH STEEL PLC
发明人
分类号
C21C5/46;F27D3/16
主分类号
C21C5/46
代理机构
代理人
主权项
地址
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