Perfectionnements à la fabrication des filaments ou fils artificiels,申请号FRD697216-传众专利搜索

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发明名称	Perfectionnements à la fabrication des filaments ou fils artificiels
摘要
申请公布号	FR697216(A)	申请公布日期	1931.01.13
申请号	FRD697216	申请日期	1930.06.11
申请人		发明人	DREYFUS HENRY
分类号	D01D5/04;D01F2/30	主分类号	D01D5/04
代理机构		代理人
主权项
地址

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