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发明名称
Production of sulphuric acid by the contact process
摘要
申请公布号
US2044419(A)
申请公布日期
1936.06.16
申请号
US19330671647
申请日期
1933.05.18
申请人
AMERICAN CYNAMID COMPANY
发明人
CLARK CYRIL B.
分类号
C01B17/76
主分类号
C01B17/76
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代理人
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