Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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
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Non-Portable Lighting Devices Or Systems Thereof
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Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices
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Neuerungen an Lampen, bestehend in einem durch ein Uhrwerk bewegten Ventilator zur Luftzuführung und einer Vorrichtung zur Verhütung des stofsweisen Eindringens von Luft in die Flamme beim raschen Tragen der Lampen