Thread positioning means for button sewing machines,申请号US19550498545-传众专利搜索

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发明名称	Thread positioning means for button sewing machines
摘要
申请公布号	US2802436(A)	申请公布日期	1957.08.13
申请号	US19550498545	申请日期	1955.04.01
申请人	AMERICAN MACHINE & FOUNDRY COMPANY	发明人	JACKSON JOHN H.
分类号	D05B3/14;D05B85/00	主分类号	D05B3/14
代理机构		代理人
主权项
地址

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