Method for correcting magnetic compasses on carriers,申请号US19470742540-传众专利搜索

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发明名称	Method for correcting magnetic compasses on carriers
摘要
申请公布号	US2558934(A)	申请公布日期	1951.07.03
申请号	US19470742540	申请日期	1947.04.19
申请人	DARRACH WALTER T	发明人	DARRACH WALTER T.
分类号	G01C17/38	主分类号	G01C17/38
代理机构		代理人
主权项
地址

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