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Publication of FR562926ApublicationCriticalpatent/FR562926A/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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FR562926D1923-02-081923-02-08Support de douille de lampe électrique orientale, pour phares d'automobiles ou autres
ExpiredFR562926A
(fr)