System of radio echo detection,申请号US19420469474-传众专利搜索

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发明名称	System of radio echo detection
摘要
申请公布号	US2610320(A)	申请公布日期	1952.09.09
申请号	US19420469474	申请日期	1942.12.18
申请人	HALL WILLIAM M	发明人	HALL WILLIAM M.
分类号	G01S7/20	主分类号	G01S7/20
代理机构		代理人
主权项
地址

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