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经营范围
发明名称
Continuous smelter
摘要
申请公布号
US2726078(A)
申请公布日期
1955.12.06
申请号
US19540408864
申请日期
1954.02.08
申请人
PRECIOUS METALS REFINING COMPANY
发明人
BROWN HAROLD
分类号
C21B13/00;F27B17/00
主分类号
C21B13/00
代理机构
代理人
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地址
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