Patent classifications
H
ELECTRICITY
Load children
H05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Load children
H05B
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
Load children
H05B3/60
Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating
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