Rotary card filing device,申请号US19440564563-传众专利搜索

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法人/股东/高管

发明名称	Rotary card filing device
摘要
申请公布号	US2418357(A)	申请公布日期	1947.04.01
申请号	US19440564563	申请日期	1944.11.22
申请人	KNITTEL EMIL E	发明人	KNITTEL EMIL E.
分类号	A47B63/06	主分类号	A47B63/06
代理机构		代理人
主权项
地址

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