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发明名称
PROCEDE DE REDUCTION D'OXYDES D'AZOTE
摘要
申请公布号
BE862754(A1)
申请公布日期
1978.07.10
申请号
BE19780184199
申请日期
1978.01.09
申请人
HOECHST A.G.
发明人
分类号
B01D53/56;B01D53/74;C01B21/02;(IPC1-7):C01B/
主分类号
B01D53/56
代理机构
代理人
主权项
地址
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