Manufacture of rayon yarn,申请号US19390286294-传众专利搜索

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发明名称	Manufacture of rayon yarn
摘要
申请公布号	US2293981(A)	申请公布日期	1942.08.25
申请号	US19390286294	申请日期	1939.07.24
申请人	AMERICAN ENKA CORPORATION	发明人	JACKSON ARTHUR L.
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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