FR401050A - Dispositif pour la régulation de l'avancement dans les lampes à arc avec électrodes disposées au-dessus ou à coté l'une de l'autre
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Dispositif pour la régulation de l'avancement dans les lampes à arc avec électrodes disposées au-dessus ou à coté l'une de l'autre
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H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B31/00—Electric arc lamps
H05B31/0003—Electric arc lamps the arc being outside, in the open
H05B31/0009—Electric arc lamps the arc being outside, in the open with parallel or oblique disposition of the electrodes; Special form of the electrodes
FR401050D1909-03-201909-03-20Dispositif pour la régulation de l'avancement dans les lampes à arc avec électrodes disposées au-dessus ou à coté l'une de l'autre
ExpiredFR401050A
(fr)