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发明名称
Azo dye and method for its preparation
摘要
申请公布号
US2023590(A)
申请公布日期
1935.12.10
申请号
US19330682463
申请日期
1933.07.27
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
HITCH 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
主权项
地址
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