Automatic steering compass,申请号US19360081097-传众专利搜索

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发明名称	Automatic steering compass
摘要
申请公布号	US2114479(A)	申请公布日期	1938.04.19
申请号	US19360081097	申请日期	1936.05.21
申请人	DAVID SHANNON	发明人	SHANNON DAVID
分类号	G01C17/26	主分类号	G01C17/26
代理机构		代理人
主权项
地址

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