Improvements relating to standing wave indicator,申请号GB19550015607-传众专利搜索

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发明名称	Improvements relating to standing wave indicator
摘要
申请公布号	GB785623(A)	申请公布日期	1957.10.30
申请号	GB19550015607	申请日期	1955.05.31
申请人	POLYTECHNIC RESEARCH AND DEVELOPMENT COMPANY, INC.	发明人	HOPFER SAMUEL
分类号	G01R27/06	主分类号	G01R27/06
代理机构		代理人
主权项
地址

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