Copolyesters élastiques et leur procédé de fabrication,申请号FRD1045649-传众专利搜索

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发明名称	Copolyesters élastiques et leur procédé de fabrication
摘要
申请公布号	FR1045649(A)	申请公布日期	1953.11.30
申请号	FRD1045649	申请日期	1951.03.20
申请人	E.I. DU PONT DE NEMOURS AND CO	发明人
分类号	C08G63/181;C08G63/66	主分类号	C08G63/181
代理机构		代理人
主权项
地址

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