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经营范围
发明名称
Basic oxygen furnace operation
摘要
申请公布号
FR1600948(A)
申请公布日期
1970.08.03
申请号
FRD1600948
申请日期
1968.12.11
申请人
发明人
分类号
C21C5/30
主分类号
C21C5/30
代理机构
代理人
主权项
地址
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