Radio direction finding system,申请号US19370175913-传众专利搜索

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发明名称	Radio direction finding system
摘要
申请公布号	US2137912(A)	申请公布日期	1938.11.22
申请号	US19370175913	申请日期	1937.11.22
申请人	PARKYN JEFFCOCK JOHN	发明人	JEFFCOCK JOHN PARKYN
分类号	G01S3/12	主分类号	G01S3/12
代理机构		代理人
主权项
地址

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