WEISHIDUN

Accumulators, electric; Current rectifiers; Dual amplifier balancers; Electric wires; Electrolysers; Fire pumps; Frequency meters; Gas testing instruments; Infrared detectors; Lasers for measuring; Life-saving capsules for natural disasters; Life saving rafts; Locks, electric; Measuring devices, namely, fluorometers; Metal detectors; Microphones; Plotters; Precision balances; Radiation detectors; Slide or photograph projection apparatus; Stereoscopes; Surveying instruments; Telemeters; Telescopes; Temperature meters not for medical use; Vibration meters; Voltmeters; Weighbridges; Wind pressure gauges; Electrified fences; Electronic notice boards; Exposed camera film; Exposed slide films; Measuring rules; Surveyors' levels