Improvements in or relating to slide rules,申请号GB19560022180-传众专利搜索

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发明名称	Improvements in or relating to slide rules
摘要
申请公布号	GB878056(A)	申请公布日期	1961.09.27
申请号	GB19560022180	申请日期	1956.07.18
申请人	HUBERT BOARDMAN;A. G. THORNTON LIMITED	发明人
分类号	G06G1/12	主分类号	G06G1/12
代理机构		代理人
主权项
地址

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