Rotary thread take-ups for sewing machines,申请号US19530343822-传众专利搜索

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发明名称	Rotary thread take-ups for sewing machines
摘要
申请公布号	US2715883(A)	申请公布日期	1955.08.23
申请号	US19530343822	申请日期	1953.03.23
申请人	THE SINGER MANUFACTURING COMPANY	发明人	MAYER EUGENE O.
分类号	D05B51/00	主分类号	D05B51/00
代理机构		代理人
主权项
地址

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