Process for producing artificial filaments,申请号US19490073323-传众专利搜索

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发明名称	Process for producing artificial filaments
摘要
申请公布号	US2515889(A)	申请公布日期	1950.07.18
申请号	US19490073323	申请日期	1949.01.28
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	NICOLL WILLIAM D.
分类号	D01F2/10	主分类号	D01F2/10
代理机构		代理人
主权项
地址

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