Explanatory notes
… non-electric. 8417.10 - Furnaces and ovens for the roasting, melting or other heat-treatment of ores, … including biscuit ovens 8417.80 - Other 8417.90 - Parts This heading covers non-electrical industrial or laboratory … in the chamber or in separate combustion chambers). They are used for the heat treatment (e.g., by roasting, …