Buttonhole attachment for sewing machines,申请号US19530353776-传众专利搜索

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发明名称	Buttonhole attachment for sewing machines
摘要
申请公布号	US2742007(A)	申请公布日期	1956.04.17
申请号	US19530353776	申请日期	1953.05.08
申请人	RAYMOND ENGINEERING LABORATORY, INC.	发明人	ALMQUIST NILS T.
分类号	D05B3/24	主分类号	D05B3/24
代理机构		代理人
主权项
地址

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