Automatic clamp release for sewing machine,申请号US19580736791-传众专利搜索

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发明名称	Automatic clamp release for sewing machine
摘要
申请公布号	US2989934(A)	申请公布日期	1961.06.27
申请号	US19580736791	申请日期	1958.05.21
申请人	BERNARD ZEITLIN	发明人	ZEITLIN BERNARD
分类号	D05B39/00;D05B65/00	主分类号	D05B39/00
代理机构		代理人
主权项
地址

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