发明名称 LUMINAIRE
摘要 A luminaire is provided which achieves very low brightness of a ribbed prismatic reflector wall as seen at normal viewing angles by the utilization of a housing which is blackened for at least a portion thereof.
申请公布号 US3654455(A) 申请公布日期 1972.04.04
申请号 USD3654455 申请日期 1969.08.20
申请人 HOLOPHANE CO. INC. 发明人 JOEL SIEGEL
分类号 F21V7/00;F21V13/04;(IPC1-7):F21V13/04;F21V5/00;F21V7/10 主分类号 F21V7/00
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