Needle guard for sewing machines,申请号US19280311051-传众专利搜索

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发明名称	Needle guard for sewing machines
摘要
申请公布号	US1794779(A)	申请公布日期	1931.03.03
申请号	US19280311051	申请日期	1928.10.08
申请人	AUGUSTUS LAVOIE	发明人	LAVOIE AUGUSTUS
分类号	D05B83/00	主分类号	D05B83/00
代理机构		代理人
主权项
地址

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