Improvements in electric lighting fittings,申请号GB19300011025-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	GB346164(A)	申请公布日期	1931.04.09
申请号	GB19300011025	申请日期	1930.04.07
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;FRANK WINSTANLEY	发明人
分类号	F21V5/00	主分类号	F21V5/00
代理机构		代理人
主权项
地址

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