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经营范围
发明名称
Colorants azoïques
摘要
申请公布号
FR856585(A)
申请公布日期
1940.06.18
申请号
FRD856585
申请日期
1939.06.05
申请人
E. I. DU PONT DE NEMOURS AND CO
发明人
分类号
C09B35/56
主分类号
C09B35/56
代理机构
代理人
主权项
地址
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