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发明名称
Improvements in and relating to the dehydration of aqueous solutions of formic acid
摘要
申请公布号
GB646219(A)
申请公布日期
1950.11.15
申请号
GB19470035052
申请日期
1947.12.31
申请人
LES USINES DE MELLE
发明人
分类号
C07C51/44;C07C51/46
主分类号
C07C51/44
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代理人
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