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发明名称
Dyes of the quinophthalone series
摘要
申请公布号
US2818410(A)
申请公布日期
1957.12.31
申请号
US19560567091
申请日期
1956.02.23
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
ZWILGMEYER FRITHJOF
分类号
C09B25/00
主分类号
C09B25/00
代理机构
代理人
主权项
地址
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