Position determining apparatus,申请号US19330668482-传众专利搜索

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发明名称	Position determining apparatus
摘要
申请公布号	US2038873(A)	申请公布日期	1936.04.28
申请号	US19330668482	申请日期	1933.04.29
申请人	JOHN HAYS HAMMOND, JR.	发明人	PURINGTON ELLISON S.
分类号	G01S1/02;G01S19/35	主分类号	G01S1/02
代理机构		代理人
主权项
地址

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