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经营范围
发明名称
Azo dyes
摘要
申请公布号
US2278491(A)
申请公布日期
1942.04.07
申请号
US19400345304
申请日期
1940.07.13
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
ROSSANDER SWANIE S.;SPARKS CHILES E.
分类号
C09B31/18
主分类号
C09B31/18
代理机构
代理人
主权项
地址
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