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发明名称
摘要
申请公布号	EP0690117(A3)	申请公布日期	1996.02.07
申请号	EP19950303918	申请日期	1995.06.07
申请人	BETZ EUROPE, INC.	发明人
分类号	C07B63/04;C07C7/20;C07C15/46;C07C25/24;C08F12/00;C09K15/20;(IPC1-7):C09K15/20	主分类号	C07B63/04
代理机构		代理人
主权项
地址

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