PORTABLE TREADLE MECHANISM FOR SEWING MACHINES,申请号USD3543707-传众专利搜索

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发明名称	PORTABLE TREADLE MECHANISM FOR SEWING MACHINES
摘要
申请公布号	US3543707(A)	申请公布日期	1970.12.01
申请号	USD3543707	申请日期	1969.04.17
申请人	SINGER CO.:THE	发明人	KARL D. SCHWEERS
分类号	D05B69/06;(IPC1-7):D05B69/00	主分类号	D05B69/06
代理机构		代理人
主权项
地址

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