Aromatic polyimide, polyester and polyamide separation membranes,申请号US05/687639-传众专利搜索

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发明名称	Aromatic polyimide, polyester and polyamide separation membranes
摘要
申请公布号	USRE30351(E1)	申请公布日期	1980.07.29
申请号	US05/687639	申请日期	1976.05.18
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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