发明名称 IMPROVEMENTS RELATING TO STREET LAMPS
摘要 A street lamp comprises a column (10) having a light source (16) at its lower end and a light outlet (24, 26) at its upper end. Access to the light source (16) for adjustment or replacement is via a door (14).
申请公布号 GB8900261(D0) 申请公布日期 1989.03.08
申请号 GB19890000261 申请日期 1989.01.06
申请人 POWELL, MICHAEL 发明人
分类号 F21S8/08;F21V7/00;F21V8/00;F21V21/34 主分类号 F21S8/08
代理机构 代理人
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