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CEAG Concordia Elekrizitats AG
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CEAG Concordia Elekrizitats AG
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Application filed by CEAG Concordia Elekrizitats AGfiledCriticalCEAG Concordia Elekrizitats AG
Application grantedgrantedCritical
Publication of FR681294ApublicationCriticalpatent/FR681294A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V25/00—Safety devices structurally associated with lighting devices
F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR681294D1929-07-191929-09-04Dispositif de fixation des lampes à incandescence dans les lampes électriques de mineur
ExpiredFR681294A
(fr)