Remotely controlled electrical calculator,申请号US19430475723-传众专利搜索

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发明名称	Remotely controlled electrical calculator
摘要
申请公布号	US2434681(A)	申请公布日期	1948.01.20
申请号	US19430475723	申请日期	1943.02.13
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	WILLIAMS SAMUEL B.
分类号		主分类号
代理机构		代理人
主权项
地址

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