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发明名称
Improvements relating to the refining of iron
摘要
申请公布号
GB787441(A)
申请公布日期
1957.12.11
申请号
GB19550031363
申请日期
1955.11.02
申请人
BRASSERT OXYGEN TECHNIK AG
发明人
分类号
C21C5/32
主分类号
C21C5/32
代理机构
代理人
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