Improvements in or relating to sodium-vapour discharge tubes,申请号GB19580022639-传众专利搜索

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发明名称	Improvements in or relating to sodium-vapour discharge tubes
摘要
申请公布号	GB883618(A)	申请公布日期	1961.12.06
申请号	GB19580022639	申请日期	1958.07.15
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	H01J61/02;H01J61/32;H01J61/74	主分类号	H01J61/02
代理机构		代理人
主权项
地址

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