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经营范围
发明名称
Anthraquinone acid wool dyestuff
摘要
申请公布号
US2172763(A)
申请公布日期
1939.09.12
申请号
US19380198895
申请日期
1938.03.30
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
LEE HENRY R.
分类号
C09B1/34
主分类号
C09B1/34
代理机构
代理人
主权项
地址
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