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经营范围
发明名称
Manufacture of anthraquinone dyestuffs
摘要
申请公布号
GB542594(A)
申请公布日期
1942.01.19
申请号
GB19400008695
申请日期
1940.05.15
申请人
E.I. DU PONT DE NEMOURS & CO.
发明人
分类号
C09B5/28
主分类号
C09B5/28
代理机构
代理人
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