Top feed and presser means for sewing machines,申请号US19490135968-传众专利搜索

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发明名称	Top feed and presser means for sewing machines
摘要
申请公布号	US2544549(A)	申请公布日期	1951.03.06
申请号	US19490135968	申请日期	1949.12.30
申请人	UNION SPECIAL MACHINE COMPANY	发明人	BECK FREDERICK W.;BABKA RICHARD JOHN;LUKINS RICHARD H.
分类号	D05B27/02;D05B29/10	主分类号	D05B27/02
代理机构		代理人
主权项
地址

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