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经营范围
发明名称
Manufacture of azo dyestuffs
摘要
申请公布号
GB552145(A)
申请公布日期
1943.03.24
申请号
GB19410012122
申请日期
1941.09.19
申请人
E.I. DU PONT DE NEMOURS AND CO.
发明人
分类号
C09B31/18
主分类号
C09B31/18
代理机构
代理人
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