Adjustable needle guard for sewing machines,申请号US19350054167-传众专利搜索

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发明名称	Adjustable needle guard for sewing machines
摘要
申请公布号	US2080541(A)	申请公布日期	1937.05.18
申请号	US19350054167	申请日期	1935.12.13
申请人	WILLIAM JACOBSON;QUEST FRANCIS E	发明人	JACOBSON WILLIAM;QUEST FRANCIS E.
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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