IMPROVEMENTS IN OR RELATING TO CALCULATING MACHINES,申请号GB19690053158-传众专利搜索

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发明名称	IMPROVEMENTS IN OR RELATING TO CALCULATING MACHINES
摘要
申请公布号	GB1241487(A)	申请公布日期	1971.08.04
申请号	GB19690053158	申请日期	1969.10.30
申请人	TOPNIT	发明人
分类号	G06C1/00	主分类号	G06C1/00
代理机构		代理人
主权项
地址

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