Improvements in or relating to gas-filled or vapour-filled electric discharge vessels,申请号GB19380008936-传众专利搜索

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发明名称	Improvements in or relating to gas-filled or vapour-filled electric discharge vessels
摘要
申请公布号	GB492149(A)	申请公布日期	1938.09.15
申请号	GB19380008936	申请日期	1938.03.23
申请人	SIEMENS & HALSKE AKTIENGESELLSCHAFT	发明人
分类号	H01J17/04	主分类号	H01J17/04
代理机构		代理人
主权项
地址

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