Thread guide and tensioning system for sewing and similar machines,申请号US19580753681-传众专利搜索

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发明名称	Thread guide and tensioning system for sewing and similar machines
摘要
申请公布号	US2977909(A)	申请公布日期	1961.04.04
申请号	US19580753681	申请日期	1958.08.07
申请人	G. M. PFAFF A.G.	发明人	NEUKIRCH JOHANNES
分类号	D05B51/00	主分类号	D05B51/00
代理机构		代理人
主权项
地址

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