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发明名称
Process for removing ferrous ion impurity in the preparation of dicyanobutene
摘要
申请公布号
US2750403(A)
申请公布日期
1956.06.12
申请号
US19520287603
申请日期
1952.05.13
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
CALKINS WILLIAM H.
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主分类号
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