Sewing machine feeding mechanism,申请号US19520301271-传众专利搜索

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发明名称	Sewing machine feeding mechanism
摘要
申请公布号	US2672112(A)	申请公布日期	1954.03.16
申请号	US19520301271	申请日期	1952.07.28
申请人	THE SINGER MANUFACTURING COMPANY	发明人	HALE ARTHUR N.
分类号	D05B27/22	主分类号	D05B27/22
代理机构		代理人
主权项
地址

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