Hemming attachment for sewing machines,申请号US19380246364-传众专利搜索

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发明名称	Hemming attachment for sewing machines
摘要
申请公布号	US2173509(A)	申请公布日期	1939.09.19
申请号	US19380246364	申请日期	1938.12.17
申请人	SWANSON ELLEN J	发明人	SWANSON ELLEN J.
分类号	D05B35/02	主分类号	D05B35/02
代理机构		代理人
主权项
地址

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