Improvements in contact bases for tubular electric lamps,申请号GB19480028432-传众专利搜索

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发明名称	Improvements in contact bases for tubular electric lamps
摘要
申请公布号	GB649433(A)	申请公布日期	1951.01.24
申请号	GB19480028432	申请日期	1948.11.02
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人
分类号	H01J5/56	主分类号	H01J5/56
代理机构		代理人
主权项
地址

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