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经营范围
发明名称
Perfectionnements au procédé de fabrication de l'acide nitrique concentré
摘要
申请公布号
FR674556(A)
申请公布日期
1930.01.30
申请号
FRD674556
申请日期
1929.05.03
申请人
E. I. DU PONT DE NEMOURS AND CO
发明人
分类号
C01B21/26
主分类号
C01B21/26
代理机构
代理人
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地址
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