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Publication of FR825009ApublicationCriticalpatent/FR825009A/fr
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
H05B3/00—Ohmic-resistance heating
H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
H05B3/145—Carbon only, e.g. carbon black, graphite
FR825009D1936-11-061936-11-06Résistances électriques chauffantes et leur procédé de fabrication
ExpiredFR825009A
(fr)