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发明名称
PROCESS FOR OBTAINING NITROGEN-RICH GASES FROM GASES CONTAINING OXYGEN AND NITROGEN
摘要
申请公布号
GB1480866(A)
申请公布日期
1977.07.27
申请号
GB19750035833
申请日期
1975.08.29
申请人
BERGWERKSVERBAND GMBH
发明人
分类号
B01D53/04;B01D53/047;C01B21/04;(IPC1-7):B01D53/04
主分类号
B01D53/04
代理机构
代理人
主权项
地址
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