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经营范围
发明名称
Improvements in method and apparatus for introducing solid materials into molten metal
摘要
申请公布号
GB748474(A)
申请公布日期
1956.05.02
申请号
GB19530031143
申请日期
1953.11.10
申请人
AIR REDUCTION COMPANY
发明人
分类号
C21C7/00
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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