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发明名称
Manufacture of a vat dyestuff
摘要
申请公布号
GB513281(A)
申请公布日期
1939.10.09
申请号
GB19380010471
申请日期
1938.04.05
申请人
E. I. DU PONT DE NEMOURS AND CO.
发明人
分类号
C09B5/28
主分类号
C09B5/28
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代理人
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