Electric sewing machine,申请号US19280292166-传众专利搜索

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发明名称	Electric sewing machine
摘要
申请公布号	US1806489(A)	申请公布日期	1931.05.19
申请号	US19280292166	申请日期	1928.07.12
申请人	THE SINGER MANUFACTURING COMPANY	发明人	NAUL JAMES M.
分类号	D05B69/12	主分类号	D05B69/12
代理机构		代理人
主权项
地址

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