Improvements in filing devices for record cards or the like,申请号GB19450005156-传众专利搜索

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发明名称	Improvements in filing devices for record cards or the like
摘要
申请公布号	GB588593(A)	申请公布日期	1947.05.28
申请号	GB19450005156	申请日期	1945.03.01
申请人	RICHARD AUGUST JONAS;RICHARD AUGUST JONAS, JR.;ROBERT PAUL JONAS;FRANK DANIEL JONAS;EDWARD FREDERICK JONAS	发明人
分类号	B42F17/28	主分类号	B42F17/28
代理机构		代理人
主权项
地址

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