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发明名称
Organic dyestuffs of the thionaphthenone series and process of making the same
摘要
申请公布号
US2356823(A)
申请公布日期
1944.08.29
申请号
US19390295918
申请日期
1939.09.21
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
COLE JOHN ELTON;SKILES BENJAMIN FRANKLIN
分类号
C09B23/01;C09B23/16
主分类号
C09B23/01
代理机构
代理人
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