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经营范围
发明名称
Gold recovery process using an alkali metal hydrosulfite with a water soluble oxygen containing compound
摘要
申请公布号
US3271135(A)
申请公布日期
1966.09.06
申请号
US19630333717
申请日期
1963.12.26
申请人
CHARLES DAVIDOFF
发明人
DAVIDOFF CHARLES
分类号
C01G7/00;C22B3/26;C22B3/28;C22B3/32;C22B3/34;C22B11/08
主分类号
C01G7/00
代理机构
代理人
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地址
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