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发明名称
Contact sulphuric acid process
摘要
申请公布号
US2238012(A)
申请公布日期
1941.04.08
申请号
US19390262090
申请日期
1939.03.16
申请人
AMERICAN CYANAMID COMPANY
发明人
CLARK CYRIL B.
分类号
C01B17/76;C01B17/92
主分类号
C01B17/76
代理机构
代理人
主权项
地址
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