DATA ENTRY MECHANISM FOR CALCULATIONS,申请号CAD544413-传众专利搜索

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发明名称	DATA ENTRY MECHANISM FOR CALCULATIONS
摘要
申请公布号	CA544413(A)	申请公布日期	1957.08.06
申请号	CAD544413	申请日期
申请人	ITALO RIZZIERI	发明人	RICCARDO BUZZI
分类号		主分类号
代理机构		代理人
主权项
地址

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