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经营范围
发明名称
Recovery of waste sulphuric acid liquors
摘要
申请公布号
US2394470(A)
申请公布日期
1946.02.05
申请号
US19440539332
申请日期
1944.06.08
申请人
NATIONAL LEAD COMPANY
发明人
O'SHAUGHNESSY JAMES M.
分类号
C01B17/58;C01G49/00
主分类号
C01B17/58
代理机构
代理人
主权项
地址
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