Improvements relating to the cleaning and degassing of electric discharge tubes,申请号GB19320009152-传众专利搜索

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发明名称	Improvements relating to the cleaning and degassing of electric discharge tubes
摘要
申请公布号	GB383156(A)	申请公布日期	1932.11.10
申请号	GB19320009152	申请日期	1932.03.30
申请人	THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED	发明人
分类号	H01J9/385	主分类号	H01J9/385
代理机构		代理人
主权项
地址

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