Normas ISO

Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 15-7: Short-range optical wireless communications

Telecommunications and exchange between information technology systems — Requirements for local and metropolitan area networks — Part 1DC: Quality of service provision by network systems

Fasteners — Reverse-taper grooved pins — One quarter-length progressive grooves on both sides

Tritium and carbon-14 activity in gaseous effluents and gas discharges of nuclear installations — Part 2: Determination of tritium and carbon-14 activities sampled by bubbling technique

Fibre-reinforced polymer (FRP) reinforcement of concrete — Test methods — Part 1: FRP bars

Plastics — Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources