Improvements in or relating to wave filters employing negative resistance,申请号GB19370035503-传众专利搜索

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发明名称	Improvements in or relating to wave filters employing negative resistance
摘要
申请公布号	GB507917(A)	申请公布日期	1939.06.22
申请号	GB19370035503	申请日期	1937.12.22
申请人	STANDARD TELEPHONES AND CABLES LIMITED;ROY MAYNE BARNARD;ERIC DAVIES	发明人
分类号	H03H11/04	主分类号	H03H11/04
代理机构		代理人
主权项
地址

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