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发明名称
Process for the treatment of zinc sulphide ores
摘要
申请公布号
US1969567(A)
申请公布日期
1934.08.07
申请号
US19320627712
申请日期
1932.08.06
申请人
THE CONSOLIDATED MINING AND SMELTING COMPANY OF CANADA, LIMITED
发明人
LEE FREDERICK ERIC
分类号
C01B17/52;C22B19/00
主分类号
C01B17/52
代理机构
代理人
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地址
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