Device for the transformation of mathematical functions,申请号US19430495026-传众专利搜索

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发明名称	Device for the transformation of mathematical functions
摘要
申请公布号	US2402321(A)	申请公布日期	1946.06.18
申请号	US19430495026	申请日期	1943.07.16
申请人	TELEFONAKTIEBOLAGET L. M. ERICSSON	发明人	ENGER PER JOHAN SAMUEL;PARSCHIN ALEXANDER
分类号	G06G7/26	主分类号	G06G7/26
代理机构		代理人
主权项
地址

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