Artificial filament,申请号US19410397887-传众专利搜索

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发明名称	Artificial filament
摘要
申请公布号	US2341823(A)	申请公布日期	1944.02.15
申请号	US19410397887	申请日期	1941.06.13
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	SMITH ALBERT FARIS
分类号	D01D5/20	主分类号	D01D5/20
代理机构		代理人
主权项
地址

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