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发明名称
Improvements in and relating to the production and refining of metals or alloys
摘要
申请公布号
GB496041(A)
申请公布日期
1938.11.21
申请号
GB19370005072
申请日期
1937.02.19
申请人
BUFFALO ELECTRIC FURNACE CORPORATION
发明人
分类号
C21C5/00;C22B9/00
主分类号
C21C5/00
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代理人
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