发明名称 BI-DIRECTIONAL HIGHWAY LUMINAIRE
摘要 A luminaire provides a longitudinally asymmetrical light distribution on both sides of a bi-directional highway with low non-glare beams facing traffic on both sides of the highway and higher beams in the direction of traffic on both sides of the highway.
申请公布号 US3679889(A) 申请公布日期 1972.07.25
申请号 USD3679889 申请日期 1969.11.18
申请人 HOLOPHANE CO. INC. 发明人 KURT FRANCK
分类号 F21S8/08;(IPC1-7):F21S1/10 主分类号 F21S8/08
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