Thread-controlling mechanism for sewing machines,申请号US19270240005-传众专利搜索

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发明名称	Thread-controlling mechanism for sewing machines
摘要
申请公布号	US1766123(A)	申请公布日期	1930.06.24
申请号	US19270240005	申请日期	1927.12.14
申请人	UNION SPECIAL MACHINE COMPANY	发明人	HANNEMAN WALTER M.
分类号	D05B63/00	主分类号	D05B63/00
代理机构		代理人
主权项
地址

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