Improvements in or relating to a method of manufacturing electric discharge tubes,申请号GB19500017554-传众专利搜索

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发明名称	Improvements in or relating to a method of manufacturing electric discharge tubes
摘要
申请公布号	GB676054(A)	申请公布日期	1952.07.23
申请号	GB19500017554	申请日期	1950.07.13
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	H01J5/24	主分类号	H01J5/24
代理机构		代理人
主权项
地址

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