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发明名称
Concentration of oxidized ores of lead, silver, and copper
摘要
申请公布号
US1762364(A)
申请公布日期
1930.06.10
申请号
US19280249494
申请日期
1928.01.25
申请人
COMBINED METALS REDUCTION COMPANY
发明人
SNYDER EDWARD H.;GREEN WILLIAM D.
分类号
B03D1/002
主分类号
B03D1/002
代理机构
代理人
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