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经营范围
发明名称
Preparation of 3-ketopregnenes
摘要
申请公布号
US2802839(A)
申请公布日期
1957.08.13
申请号
US19530401058
申请日期
1953.12.29
申请人
SYNTEX S. A.
发明人
RINGOLD HOWARD J.;ROSENKRANZ GEORGE
分类号
C07J5/00;C07J75/00
主分类号
C07J5/00
代理机构
代理人
主权项
地址
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