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发明名称
Method of making sulphur trioxide
摘要
申请公布号
US1941427(A)
申请公布日期
1933.12.26
申请号
US19290362882
申请日期
1929.05.13
申请人
THE CALCO CHEMICAL COMPANY, INC.
发明人
BEARDSLEY ALLING P.;LAURY NAPOLEON ARTHUR
分类号
C01B17/79
主分类号
C01B17/79
代理机构
代理人
主权项
地址
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