Stitching mechanism for sewing machines,申请号US19370155484-传众专利搜索

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发明名称	Stitching mechanism for sewing machines
摘要
申请公布号	US2180756(A)	申请公布日期	1939.11.21
申请号	US19370155484	申请日期	1937.07.24
申请人	HARDING LEO R	发明人	HARDING LEO R.
分类号	D05B57/14	主分类号	D05B57/14
代理机构		代理人
主权项
地址

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