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发明名称
Dyestuff and process for preparing same
摘要
申请公布号
US1909385(A)
申请公布日期
1933.05.16
申请号
US19290416213
申请日期
1929.12.23
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
WUERTZ ALEXANDER J.
分类号
C09B3/00
主分类号
C09B3/00
代理机构
代理人
主权项
地址
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