HOMO

ELECTRIC FURNACES, ELECTRIC OVENS, AND ELECTRIC HEAT-TREATING FURNACES, WORK CONTAINERS AND ELECTRIC HEATING UNITS FOR ELECTRIC FURNACES, ELECTRIC OVENS AND ELECTRIC HEAT-TREATING FURNACES; CONTROL PANELS AND MANUALLY AND PYROMETRICALLY AND GALNOMETRICALLY CONTROLLED ELECTIC SWITCHES RHEOSTATS, AND HEATING-CURRENT CONTROLLERS FOR REGULATING OR CONTROLLING THE TEMPERATURE OR OPERATING CONDITIONS OF ELECTRIC FURNACES, ELECTRIC OVENS, AND ELECTRIC HEAT-TREATING FURNACES