Zigzag attachment for sewing machines,申请号US19510259631-传众专利搜索

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发明名称	Zigzag attachment for sewing machines
摘要
申请公布号	US2697993(A)	申请公布日期	1954.12.28
申请号	US19510259631	申请日期	1951.12.03
申请人	ROLFSON CORNELIUS A	发明人	ROLFSON CORNELIUS A.
分类号	D05B21/00	主分类号	D05B21/00
代理机构		代理人
主权项
地址

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