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发明名称
Purification of maleic acid
摘要
申请公布号
US1914556(A)
申请公布日期
1933.06.20
申请号
US19300439229
申请日期
1930.03.26
申请人
MONSANTO CHEMICAL WORKS
发明人
CONOVER COURTNEY
分类号
C07C51/487
主分类号
C07C51/487
代理机构
代理人
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