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CHARLES PARIS
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CHARLES PARIS
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Application filed by CHARLES PARISfiledCriticalCHARLES PARIS
Application grantedgrantedCritical
Publication of FR330505ApublicationCriticalpatent/FR330505A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V37/00—Details of lighting devices employing combustion as light source, not otherwise provided for
F21V37/02—Special adaptation for protection against draughts ; Draft controllers
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Engineering & Computer Science
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Chemical & Material Sciences
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Combustion & Propulsion
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General Engineering & Computer Science
(AREA)
FR330505D1903-03-231903-03-23Pièces de verrerie combinées pour l'éclairage au gaz
ExpiredFR330505A
(fr)