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发明名称
Méthode de préparation de la vitamine a à partir des caroténoïdes et notamment du beta-carotène
摘要
申请公布号
FR61279(E)
申请公布日期
1955.04.25
申请号
FRD61279
申请日期
1950.11.21
申请人
发明人
MEUNIER PAUL-FRANCOIS
分类号
C07C45/28
主分类号
C07C45/28
代理机构
代理人
主权项
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