Improvements in or relating to electric discharge tubes,申请号GB19460008925-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	GB616359(A)	申请公布日期	1949.01.20
申请号	GB19460008925	申请日期	1946.03.22
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	H01J1/16	主分类号	H01J1/16
代理机构		代理人
主权项
地址

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