发明名称 |
PROCEDIMIENTO PARA EL REFINO DE COBRE |
摘要 |
<p>Tin and antimony impurities can be removed from copper scrap by melting the scrap in the presence of a flux comprising a mixture of calcium and solution oxides in a weight ratio of calcium oxide to sodium oxide of from 1:1 to 4:1.</p> |
申请公布号 |
ES506353(D0) |
申请公布日期 |
1982.08.16 |
申请号 |
ES19810506353 |
申请日期 |
1981.10.19 |
申请人 |
WESTERN ELECTRIC COMPANY INC |
发明人 |
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分类号 |
C22B15/00;C22B15/14;(IPC1-7):22B15/04 |
主分类号 |
C22B15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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