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经营范围
发明名称
Purification process
摘要
申请公布号
US2110971(A)
申请公布日期
1938.03.15
申请号
US19370143298
申请日期
1937.05.18
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
CARTER ALBERT S.
分类号
C07C7/148
主分类号
C07C7/148
代理机构
代理人
主权项
地址
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