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发明名称
Improvements in or relating to the manufacture of dibenzanthrone and isodibenzanthrone dyestuffs
摘要
申请公布号
GB418202(A)
申请公布日期
1934.10.15
申请号
GB19330001317
申请日期
1933.01.14
申请人
E. I. DU PONT DE NEMOURS AND CO.
发明人
分类号
C09B3/34
主分类号
C09B3/34
代理机构
代理人
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