Normas ISO

Plain bearings — Hardness testing of bearing metals — Part 2: Solid materials

Interpreting services — Conference interpreting — Requirements and recommendations

Acoustics — Measurement of room acoustic parameters — Part 3: Open plan offices

Cryogenic vessels — Pressure-relief accessories for cryogenic service — Part 1: Reclosable pressure-relief valves

Thermal insulation products — Exterior insulation finish systems — Part 1: Materials

Lifts for the transport of persons and goods — Part 34: Measurement of lift ride quality