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.)
F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
Landscapes
Engineering & Computer Science
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General Engineering & Computer Science
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Non-Portable Lighting Devices Or Systems Thereof
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Vorrichtung zur Verhütung des unbefugten Oeffnens der Wetterlampen sowie zur Erstickung des Lampenbrandes und des Nachbrandes beim Auftreten schlagender Wetter