Rayon structures and their method of preparation,申请号US19340728802-传众专利搜索

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发明名称	Rayon structures and their method of preparation
摘要
申请公布号	US2154204(A)	申请公布日期	1939.04.11
申请号	US19340728802	申请日期	1934.06.02
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	HOFF GEORGE PRESTON;PARKER HAROLD HENRY
分类号	D02G3/48	主分类号	D02G3/48
代理机构		代理人
主权项
地址

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