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Anciens Etablissements Barbier Benard and Turenne SA
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Anciens Etablissements Barbier Benard and Turenne SA
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Application filed by Anciens Etablissements Barbier Benard and Turenne SAfiledCriticalAnciens Etablissements Barbier Benard and Turenne SA
Application grantedgrantedCritical
Publication of FR626106ApublicationCriticalpatent/FR626106A/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
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR626106D1926-12-101926-12-10Système de projecteur pour l'éclairage de grandes surfaces
ExpiredFR626106A
(fr)