Card filing devices,申请号US19530378565-传众专利搜索

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法人/股东/高管

发明名称	Card filing devices
摘要
申请公布号	US2722936(A)	申请公布日期	1955.11.08
申请号	US19530378565	申请日期	1953.09.04
申请人	PER MATHIESEN NICOLAUS	发明人	MATHIESEN NICOLAUS PER
分类号	B42F17/02	主分类号	B42F17/02
代理机构		代理人
主权项
地址

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