Improvements in or relating to liquid-filled compasses,申请号GB19400014803-传众专利搜索

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发明名称	Improvements in or relating to liquid-filled compasses
摘要
申请公布号	GB549845(A)	申请公布日期	1942.12.10
申请号	GB19400014803	申请日期	1940.10.02
申请人	AKTIEBOLAGET SVENSKA ELEKTRO-INDUSTRI COMPANIET	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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