Rotary take-up for sewing machines,申请号US19410378496-传众专利搜索

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发明名称	Rotary take-up for sewing machines
摘要
申请公布号	US2332087(A)	申请公布日期	1943.10.19
申请号	US19410378496	申请日期	1941.02.12
申请人	THE SINGER MANUFACTURING COMPANY	发明人	KARLE JOHN D.
分类号	D05B49/04	主分类号	D05B49/04
代理机构		代理人
主权项
地址

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