Improvements in electric lighting fittings,申请号GB19390014077-传众专利搜索

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发明名称	Improvements in electric lighting fittings
摘要
申请公布号	GB528651(A)	申请公布日期	1940.11.04
申请号	GB19390014077	申请日期	1939.05.11
申请人	THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED;LESLIE HUBBLE;FREDERICK WILLIAM THORPE	发明人
分类号	F21V17/12	主分类号	F21V17/12
代理机构		代理人
主权项
地址

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