Improvements in or relating to calculating instruments of the slide-rule or like type for making calculations relating to speed, time and distance,申请号GB19560012772-传众专利搜索

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发明名称	Improvements in or relating to calculating instruments of the slide-rule or like type for making calculations relating to speed, time and distance
摘要
申请公布号	GB851003(A)	申请公布日期	1960.10.12
申请号	GB19560012772	申请日期	1956.04.26
申请人	HAROLD ALEXANDRE BABBINGTON BLACKWELL	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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