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经营范围
发明名称
Quinoxaline dyestuffs
摘要
申请公布号
US3326888(A)
申请公布日期
1967.06.20
申请号
US19630277444
申请日期
1963.05.02
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
JR. JOHN ELTON COLE,;GUMPRECHT WILLIAM HENRY
分类号
C07D241/44
主分类号
C07D241/44
代理机构
代理人
主权项
地址
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