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LE QUARTZ FONDU
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LE QUARTZ FONDU
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Publication of FR537449ApublicationCriticalpatent/FR537449A/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
H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
FR537449D1920-11-251920-11-25Support réfractaire pour appareils électriques de chauffage
ExpiredFR537449A
(fr)