Feeding mechanism for sewing machines,申请号US19380214180-传众专利搜索

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发明名称	Feeding mechanism for sewing machines
摘要
申请公布号	US2193754(A)	申请公布日期	1940.03.12
申请号	US19380214180	申请日期	1938.06.17
申请人	THE SINGER MANUFACTURING COMPANY	发明人	ANDRES WILLIAM A.;JOHNSON EDWIN W.
分类号	D05B27/14	主分类号	D05B27/14
代理机构		代理人
主权项
地址

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