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发明名称
PROCESS FOR PURIFYING AND SEPARATING VITAMIN B12
摘要
申请公布号
GB2088383(B)
申请公布日期
1984.10.31
申请号
GB19810035647
申请日期
1981.11.26
申请人
NIPPON OIL CO LTD
发明人
分类号
C07H23/00;C12P19/42;(IPC1-7):C07H23/00
主分类号
C07H23/00
代理机构
代理人
主权项
地址
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