Acoustic conduits; Acoustic couplers; Acoustic sound alarms; Adding machines; Amplifiers; Answering machines; Antennas;Audio-video receivers; Audiovisual receivers; Automatic teller machines (ATM); Batteries; Batteries and battery chargers; Blueprinting machines; Bullet-proof vests and clothing; Cables, electric; Calculating scales; Calculators; Cameras; Cases for spectacles, for pince-nez and for contact lenses; Cash registers; Cell phone straps; Central processing units (CPU); Chains for sp...