Normas ISO

Metallic materials — Vickers hardness test — Part 1: Test method

Information technology — MPEG audio technologies — Part 4: Dynamic range control — Amendment 2: Loudness leveling

Paints and varnishes — Evaluation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 6: Assessment of degree of chalking by tape method

Microbeam analysis — Analytical electron microscopy — Methods for calibrating image magnification by using reference materials with periodic structures

Identification cards — Card service life — Part 1: Application profiles and requirements

Environmental management for concrete and concrete structures — Part 1: General principles