Process and apparatus for producing core yarns,申请号US19540402453-传众专利搜索

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发明名称	Process and apparatus for producing core yarns
摘要
申请公布号	US2990673(A)	申请公布日期	1961.07.04
申请号	US19540402453	申请日期	1954.01.06
申请人	CELANESE CORPORATION OF AMERICA	发明人	JR. EUGENE M. ADKINS,
分类号	D02G3/36	主分类号	D02G3/36
代理机构		代理人
主权项
地址

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