Oil metering device for sewing machine,申请号GB19480019023-传众专利搜索

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发明名称	Oil metering device for sewing machine
摘要
申请公布号	GB644242(A)	申请公布日期	1950.10.04
申请号	GB19480019023	申请日期	1948.07.15
申请人	THE SINGER MANUFACTURING COMPANY	发明人
分类号	D05B71/00;D05B71/02;F16N27/00	主分类号	D05B71/00
代理机构		代理人
主权项
地址

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