Beijing May 1st International Intellectual Property Answers, look at categories 9 and 11
09 Electronics and Electrical Appliances
Science, navigation, surveying, photography, film, optics , weighing tools, measuring tools, signals, inspection (supervision), rescue (rescue) and teaching devices and instruments; devices and instruments for processing, switching, converting, accumulating, regulating or controlling electricity; recording, transmitting and replaying sound or images devices; magnetic data carriers, recording discs; optical discs, DVD discs and other digital storage media; mechanical structures of coin-activated devices; cash registers, computing machines, data processing devices, computers; computer software; fire-extinguishing equipment.
11 Household appliances
Lighting, heating, steam generation, cooking, refrigeration, drying, ventilation, water supply and sanitary devices.