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发明名称
Ferrous dithionite process and compositions for removing dissolved heavy metals from water
摘要
申请公布号
US5122279(A)
申请公布日期
1992.06.16
申请号
US19910682129
申请日期
1991.04.08
申请人
ROMAR TECHNOLOGIES INC.
发明人
GUESS, ROBERT G.
分类号
C02F1/62;C02F1/52;C02F1/66;C02F1/68;C02F1/70
主分类号
C02F1/62
代理机构
代理人
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