Improvements in or relating to compasses,申请号GB19390022685-传众专利搜索

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发明名称	Improvements in or relating to compasses
摘要
申请公布号	GB537003(A)	申请公布日期	1941.06.05
申请号	GB19390022685	申请日期	1939.08.04
申请人	L ABEE-LUND A/S	发明人
分类号	G01C17/00	主分类号	G01C17/00
代理机构		代理人
主权项
地址

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