Copolyesters,申请号GB19520031267-传众专利搜索

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发明名称	Copolyesters
摘要
申请公布号	GB767394(A)	申请公布日期	1957.02.06
申请号	GB19520031267	申请日期	1952.12.10
申请人	E.I. DU PONT DE NEMOURS AND COMPANY	发明人
分类号	C08G63/672	主分类号	C08G63/672
代理机构		代理人
主权项
地址

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