Sewing-machine lighting unit,申请号US19290358605-传众专利搜索

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发明名称	Sewing-machine lighting unit
摘要
申请公布号	US1768783(A)	申请公布日期	1930.07.01
申请号	US19290358605	申请日期	1929.04.27
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	PACKER LEWIS C.
分类号	D05B79/00	主分类号	D05B79/00
代理机构		代理人
主权项
地址

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