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发明名称
Procédé perfectionné de préparation de la vitamine b12 par fermentation
摘要
申请公布号
FR1229621(A)
申请公布日期
1960.09.08
申请号
FR19570730116
申请日期
1957.01.22
申请人
RICHTER GEDEON VEGYESZETI GYAR R. T.
发明人
分类号
C12P5/02;C12P19/42
主分类号
C12P5/02
代理机构
代理人
主权项
地址
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