Improvements relating to sewing machines,申请号GB19450003921-传众专利搜索

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发明名称	Improvements relating to sewing machines
摘要
申请公布号	GB593487(A)	申请公布日期	1947.10.17
申请号	GB19450003921	申请日期	1945.02.16
申请人	BRITISH SEWING MACHINES LIMITED;EDWARD WEST ARMSTRONG	发明人
分类号	D05B3/02;D05B57/00	主分类号	D05B3/02
代理机构		代理人
主权项
地址

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