Improvements in electric discharge tubes,申请号GB19350034788-传众专利搜索

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发明名称	Improvements in electric discharge tubes
摘要
申请公布号	GB447534(A)	申请公布日期	1936.05.20
申请号	GB19350034788	申请日期	1935.12.14
申请人	N.V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J61/34;H01J61/56	主分类号	H01J61/34
代理机构		代理人
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地址

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