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Publication of FR557196ApublicationCriticalpatent/FR557196A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V19/00—Fastening of light sources or lamp holders
F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
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FR557196D1922-10-091922-10-09Support de lampe électrique pivotant pour phare d'automobile
ExpiredFR557196A
(fr)