Perfectionnements aux procédés de fabrication de tubes en matière thermoplastique,申请号FRD831475-传众专利搜索

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发明名称	Perfectionnements aux procédés de fabrication de tubes en matière thermoplastique
摘要
申请公布号	FR831475(A)	申请公布日期	1938.09.05
申请号	FRD831475	申请日期	1937.12.30
申请人	E. I. DU PONT DE NEMOURS AND CO	发明人
分类号	B29C53/48	主分类号	B29C53/48
代理机构		代理人
主权项
地址

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