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发明名称
Azo dyes and methods for their preparation
摘要
申请公布号
US2031651(A)
申请公布日期
1936.02.25
申请号
US19330682464
申请日期
1933.07.27
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
ILITCH EMMET F.;DAHLEN MILES A.;FRIEDRICH MARTIN E.
分类号
C09B29/20
主分类号
C09B29/20
代理机构
代理人
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