Improvements in or relating to sewing-machine presser-foot devices,申请号GB19510000726-传众专利搜索

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发明名称	Improvements in or relating to sewing-machine presser-foot devices
摘要
申请公布号	GB675841(A)	申请公布日期	1952.07.16
申请号	GB19510000726	申请日期	1951.01.10
申请人	LEON DOYEN;LOUIS DOYEN	发明人
分类号	D05B29/10	主分类号	D05B29/10
代理机构		代理人
主权项
地址

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