Improvements in or relating to electric light fixtures,申请号GB19290020158-传众专利搜索

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发明名称	Improvements in or relating to electric light fixtures
摘要
申请公布号	GB331690(A)	申请公布日期	1930.07.10
申请号	GB19290020158	申请日期	1929.07.01
申请人	STANLEY MONTAGUE HALLAM;ROBERT EDWARD HINE	发明人
分类号	F21S6/00;F21V17/04	主分类号	F21S6/00
代理机构		代理人
主权项
地址

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