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发明名称
Procédé pour la préparation de la vitamine beta12 ou de substances similaires à cette vitamine
摘要
申请公布号
FR1279212(A)
申请公布日期
1961.12.22
申请号
FR19580767495
申请日期
1958.06.09
申请人
CHASE CHEMICAL COMPANY
发明人
分类号
C07H23/00;C12P19/42
主分类号
C07H23/00
代理机构
代理人
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