Improvements in or relating to glass envelopes, for example, for electric discharge devices,申请号GB19470007164-传众专利搜索

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发明名称	Improvements in or relating to glass envelopes, for example, for electric discharge devices
摘要
申请公布号	GB622378(A)	申请公布日期	1949.05.02
申请号	GB19470007164	申请日期	1947.03.14
申请人	THE M-O VALVE COMPANY LIMITED;ALFRED HENRY HOEWE	发明人
分类号	H01J9/30	主分类号	H01J9/30
代理机构		代理人
主权项
地址

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