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Telecommunication systems (1)
Telecommunications in general (7)
Telecommunications. Audio and video engineering (Vocabularies) (3)
Telecontrol. Telemetering (6)
Telephone equipment (1)
Telephone networks (7)
Television and radio broadcasting (1)
Temperature-measuring instruments (54)
Terminology (principles and coordination) (2)
Terracotta building products (11)
Test conditions and procedures in general (18)
Testing (Vocabularies) (15)
Testing of metals in general (7)
Textile and leather technology (Vocabularies) (4)
Textile fabrics (1)
Textile machinery in general (1)
Textiles in general (44)
Textiles (77)
Therapy equipment (2)
Thermal and sound insulating materials (225)
Thermal insulation of buildings (75)
Thermodynamics and temperature measurements (1)
Thermoplastic materials (202)
Thermosetting materials (27)
Timber structures (1)
Tissue paper (3)
Titanium and titanium alloys (39)
Titanium products (14)
Titanium (7)
Tobacco, tobacco products and related equipment (1)
Toys (72)
Trailing stock (2)
Transformers. Reactors (8)
Transfusion, infusion and injection equipment (42)
Transistors (24)
Transmissions, suspensions (6)
Transport by water (1)
Transport exhaust emissions (1)
Transport in general (8)
Transport layer (1)
Trolleys for supermarket purposes (6)
Tunnel construction (3)
Turning tools (9)
Tyres in general (49)
Vacuum technology (5)
Valves in general (31)
Valves (2)
Ventilation and air-conditioning systems (57)
Ventilators. Fans. Air-conditioners (22)
Vessels and containers mounted on vehicles (7)
Veterinary medicine (22)
Vibration and shock with respect to human beings (4)
Vibrations, shock and vibration measurements (17)
Video systems (4)
Volumetric equipment and measurements (12)
Walls. Partitions. Façades (13)
Washers, locking elements (33)
Wastes in general (3)
Water heating equipment (32)
Water of natural resources (94)
Water quality in general (8)
Water supply systems (33)
Waterproofing (5)
Waxes, bituminous materials and other petroleum products (71)
Weapons (42)
Welded joints and welds (22)
Welding consumables (3)
Welding equipment (1)
Welding processes (6)
Welding, brazing and soldering in general (10)
Wind turbine energy systems (7)
Winter sports equipment (116)
Wires and symmetrical cables (10)
Wires (74)
Wood, sawlogs and sawn timber (31)
Wood-based panels in general (19)
Wood-protecting chemicals (2)
Woodworking machines (19)
Workplace atmospheres (28)
Wound dressings and compresses (40)
Writing and transliteration (5)
Yarns (2)