PROCESS AND SYSTEM FOR HIHG PURITY NITROGEN,申请号KR19890004251-传众专利搜索

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发明名称	PROCESS AND SYSTEM FOR HIHG PURITY NITROGEN
摘要
申请公布号	KR930001206(B1)	申请公布日期	1993.02.22
申请号	KR19890004251	申请日期	1989.03.31
申请人	UNION CARBIDE CORP.	发明人	CAMPAELL, MICHAEL J.
分类号	B01D53/04;B01D53/22;C01B21/04;(IPC1-7):C01B21/04	主分类号	B01D53/04
代理机构		代理人
主权项
地址

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