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经营范围
发明名称
Production of 20-ketopregnanes
摘要
申请公布号
GB738766(A)
申请公布日期
1955.10.19
申请号
GB19520026788
申请日期
1952.10.24
申请人
THE UPJOHN COMPANY
发明人
分类号
C07J41/00;C07J43/00;C07J75/00
主分类号
C07J41/00
代理机构
代理人
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地址
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