WORK FEEDER FOR SEWING MACHINE,申请号USD3530809-传众专利搜索

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发明名称	WORK FEEDER FOR SEWING MACHINE
摘要
申请公布号	US3530809(A)	申请公布日期	1970.09.29
申请号	USD3530809	申请日期	1969.03.17
申请人	ROBERT E. PORTER	发明人	ROBERT E. PORTER
分类号	D05B27/04;D05B29/06;D05B85/06;(IPC1-7):D05B27/06	主分类号	D05B27/04
代理机构		代理人
主权项
地址

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