Improvements in or relating to navigational instruments,申请号GB19450013066-传众专利搜索

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发明名称	Improvements in or relating to navigational instruments
摘要
申请公布号	GB598567(A)	申请公布日期	1948.02.20
申请号	GB19450013066	申请日期	1945.05.24
申请人	JOSEPH CHARLES JOHN TACKLEY;WILLIAM ERIC CHURCH	发明人
分类号	G01P5/00	主分类号	G01P5/00
代理机构		代理人
主权项
地址

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