Manufacture of thread,申请号US19320637604-传众专利搜索

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发明名称	Manufacture of thread
摘要
申请公布号	US1999048(A)	申请公布日期	1935.04.23
申请号	US19320637604	申请日期	1932.10.13
申请人	DU PONT RAYON COMPANY	发明人	HARRISON PAUL EDWARD
分类号	D01D7/02	主分类号	D01D7/02
代理机构		代理人
主权项
地址

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