Improvements in or relating to electric discharge tubes,申请号GB19460012973-传众专利搜索

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发明名称	Improvements in or relating to electric discharge tubes
摘要
申请公布号	GB611379(A)	申请公布日期	1948.10.28
申请号	GB19460012973	申请日期	1946.04.30
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	H01J19/28	主分类号	H01J19/28
代理机构		代理人
主权项
地址

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