Improvements in or relating to metal vapour electric discharge tubes,申请号GB19500004302-传众专利搜索

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发明名称	Improvements in or relating to metal vapour electric discharge tubes
摘要
申请公布号	GB698875(A)	申请公布日期	1953.10.28
申请号	GB19500004302	申请日期	1950.02.20
申请人	BEATRICE PEARSON DELANY;PAUL LAVERN COPELAND	发明人
分类号	H01J13/02	主分类号	H01J13/02
代理机构		代理人
主权项
地址

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