AROMATIC POLYBENZIMIDAZOLINE RESINS,申请号USD3493541-传众专利搜索

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发明名称	AROMATIC POLYBENZIMIDAZOLINE RESINS
摘要
申请公布号	US3493541(A)	申请公布日期	1970.02.03
申请号	USD3493541	申请日期	1968.09.23
申请人	E.I. DU PONT DE NEMOURS & CO.	发明人	WALTER G. GALL
分类号	C08G12/08;C08G73/00;C08G73/18;(IPC1-7):C08G33/02	主分类号	C08G12/08
代理机构		代理人
主权项
地址

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