CPC Subgroup
H05B 3/60 Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating (H05B3/38 takes precedence)
Full Title
Ohmic-resistance heating > Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating (H05B3/38 takes precedence)