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经营范围
发明名称
A process for the manufacture of betacarotene
摘要
申请公布号
GB787497(A)
申请公布日期
1957.12.11
申请号
GB19560019556
申请日期
1956.06.25
申请人
F. HOFFMANN-LA ROCHE & CO., AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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