Feeding mechanism for sewing machines,申请号US19300444771-传众专利搜索

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发明名称	Feeding mechanism for sewing machines
摘要
申请公布号	US1947380(A)	申请公布日期	1934.02.13
申请号	US19300444771	申请日期	1930.04.16
申请人	UNION SPECIAL MACHINE COMPANY	发明人	CHRISTENSEN NORMAN V.;ZEIER FREDERICK F.
分类号	D05B27/02	主分类号	D05B27/02
代理机构		代理人
主权项
地址

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