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CURTIS LIGHTING EUROP
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CURTIS LIGHTING EUROP
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Application filed by CURTIS LIGHTING EUROPfiledCriticalCURTIS LIGHTING EUROP
Application grantedgrantedCritical
Publication of FR752112ApublicationCriticalpatent/FR752112A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V7/00—Reflectors for light sources
F21V7/04—Optical design
F21V7/09—Optical design with a combination of different curvatures
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR752112D1932-04-161933-03-07Amélioration aux réflecteurs destinés à l'éclairage des grandes surfaces
ExpiredFR752112A
(fr)