Flux gate compass,申请号US19520287172-传众专利搜索

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发明名称	Flux gate compass
摘要
申请公布号	US2847642(A)	申请公布日期	1958.08.12
申请号	US19520287172	申请日期	1952.05.10
申请人	PHILCO CORPORATION	发明人	SMITH DAVID B.
分类号	G01C17/30	主分类号	G01C17/30
代理机构		代理人
主权项
地址

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