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经营范围
发明名称
Anthraquinone derivative
摘要
申请公布号
US2049212(A)
申请公布日期
1936.07.28
申请号
US19300431977
申请日期
1930.02.27
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
LULEK RALPH N.
分类号
C09B5/10
主分类号
C09B5/10
代理机构
代理人
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地址
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