79317205
May 31, 2021
Attendance machine; timer (time recording device); measuring appliance; signal lamp; anti-radio interference equipment (electronics); teaching projection lamp; electrical measuring instrument; integrated circuit; network communication equipment; mouse (computer peripheral equipment); magnetic code identification bracelets; sound alarms; battery chargers; portable computers; magnetic materials and devices; low-voltage power supplies; lightning arresters; computer storage devices; fire extinguishing equipment
Electrical and Scientific Apparatus