Answer Class 11 household appliances include: 1101 lighting equipment and appliances (excluding gas lamps and oil lamps) commonly used lamps 1102 spray welding lamps 1103 gas lamps and oil lamps. 1104 Cooking and civil electric heating equipment (excluding kitchen hand tools and food processing machines) 1105 Refrigeration and refrigeration equipment (excluding refrigerated trucks) 1106 Drying, ventilation and air conditioning equipment (including cold and heated room equipment) 1107 Heating and steam equipment (Including industrial furnaces and boilers, excluding locomotive boilers, kettle boilers, and steam engine boilers) 1108 Water heating pipe fittings 1109 Sanitary equipment 1110 Disinfection and purification equipment 1111 Small heating device 1112 Lighting equipment not belonging to other categories 1113 Nuclear energy reaction Equipment Class 11 Trademark Trademark Transfer