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发明名称
Process of concentrating sulphuric acid
摘要
申请公布号
US2191195(A)
申请公布日期
1940.02.20
申请号
US19380218100
申请日期
1938.07.08
申请人
STANDARD OIL COMPANY
发明人
BROWN ARTHUR B.;BRANSKY DAVID W.
分类号
C01B17/88
主分类号
C01B17/88
代理机构
代理人
主权项
地址
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