Improvements relating to sonic or ultra-sonic pulse-echo locating systems,申请号GB19540015435-传众专利搜索

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发明名称	Improvements relating to sonic or ultra-sonic pulse-echo locating systems
摘要
申请公布号	GB779658(A)	申请公布日期	1957.07.24
申请号	GB19540015435	申请日期	1954.05.25
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人	MEREDITH ROGER JOHN
分类号	G01S1/72;G01S15/93	主分类号	G01S1/72
代理机构		代理人
主权项
地址

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