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经营范围
发明名称
Preparation of vitamin a acid and vitamin a alcohol
摘要
申请公布号
US2907796(A)
申请公布日期
1959.10.06
申请号
US19570665129
申请日期
1957.06.12
申请人
NOPCO CHEMICAL COMPANY
发明人
KLEIN HOWARD C.
分类号
C07C403/00;H01R13/72
主分类号
C07C403/00
代理机构
代理人
主权项
地址
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