Sewing machine presser foot attachment,申请号US19300422048-传众专利搜索

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发明名称	Sewing machine presser foot attachment
摘要
申请公布号	US1850985(A)	申请公布日期	1932.03.22
申请号	US19300422048	申请日期	1930.01.20
申请人	ZACHARIA ROUTTENBERG	发明人	ROUTTENBERG ZACHARIA
分类号	D05B29/00	主分类号	D05B29/00
代理机构		代理人
主权项
地址

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