Amplifiers; Cabinets for loudspeakers; Microphones; Radios; Smartphones; Tablet computers; Transmitters of electronic signals; Transponders; Air quality measurement apparatus, namely, particle counters; Data processing equipment, namely, couplers; Geiger counters; Lap-counting devices, namely, counters for use during sporting activities; Measuring couplings for measuring temperature, pressure, quantity and concentration of fluids in hydraulic or pneumatic systems; Measuring hoses for measurin...