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发明名称
Producing nitrogen and hydrogen mixtures
摘要
申请公布号
US1845785(A)
申请公布日期
1932.02.16
申请号
US19310510284
申请日期
1931.01.21
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
DODGE RALPH L.
分类号
C01B3/02;C01B3/04
主分类号
C01B3/02
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代理人
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