alarm system for households; burglar alarm; burglar alarm and system; burglar alarm and system; checking equipment for way of transportation; coal electrodes; electric sirens; electrical alarms for industry; electrical equipment, others; electrical signalling equipment; electrical signalling for ways of transportation; electrodes; electromagnetic brakes; electromagnetic lifting heads; electromagnetic lifting heads, repair and maintenance; electromagnetic mating or unions; electromagnets; electromagnets; electromagnietic speed chargers; electromechanical signalling for the safety of railways; electronic scoreboards; electronic scoreboards, maintenance, repair; equipment of acoustic sending signals, hearing aids; equipment of acoustic sending signals, maintenance and repair; fire alarm and system; fire alarms; fire alarms, repair and maintenance; graphite electrodes; mine detectors; mine detectors; modems; optical isolated cables; particle accelerators; power-driven equipment for transport way; power-driven equipment for way of transportation; security devices for roads; signal generators; signalling systems for roads; simulator; soundings, chimes; soundings, ringings, maintenance and repair; visual signalling equipment; visual signalling equipment; visual signalling equipment ,repair and maintenance; yachts