Improvements in or relating to electric luminous discharge tubes,申请号GB19310026809-传众专利搜索

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发明名称	Improvements in or relating to electric luminous discharge tubes
摘要
申请公布号	GB381703(A)	申请公布日期	1932.10.13
申请号	GB19310026809	申请日期	1931.09.25
申请人	SIEMENS & HALSKE AKTIENGESELLSCHAFT	发明人
分类号	H01J61/10	主分类号	H01J61/10
代理机构		代理人
主权项
地址

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