Ключевые слова:
Door closers, Closing and check mechanisms, Ironmongery (buildings), Coordination, Double doors, Hinged doors, Fire doors, Doors, Classification systems, Performance, Designations, Durability, Corrosion resistance, Fire resistance, Mass, Marking, Instructions for use, Installation, Verification, Performance testing, Fatigue testing, Mechanical testing, Corrosion tests, Force measurement, Testing conditions, Test specimens, Test equipment