Connecting devices for data collection; Data collecting machines; Apparatus for collecting encoded data for supply to computers

Anti-skid apparatus for vehicles; Anti-skid chains; Anti-skid chains for vehicles; Automobile chains (anti-skid for wheels); Non-skid apparatus for vehicle tyres; Non-skid chains for vehicle wheels; Non-skid devices for vehicle tires; Non-skid devices for vehicle wheels; Non-skid devices for vehicle tyres