Improvements in or relating to systems for amplifying, generating or otherwise operating upon oscillations of very high frequency and to electron-discharge tubes for use therein,申请号GB19460031372-传众专利搜索

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发明名称	Improvements in or relating to systems for amplifying, generating or otherwise operating upon oscillations of very high frequency and to electron-discharge tubes for use therein
摘要
申请公布号	GB672639(A)	申请公布日期	1952.05.21
申请号	GB19460031372	申请日期	1946.10.22
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	H01J25/02	主分类号	H01J25/02
代理机构		代理人
主权项
地址

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