Normativa ISO UNE gratis

Fecha de publicación: 13/07/1989 Hot-rolled steel sections — Part 1: Equal-leg angles — Dimensions ISO 657-1:1989

Fecha de publicación: 20/07/1989 Prosthetics and orthotics — Limb deficiencies — Part 1: Method of describing limb deficiencies present at birth ISO 8548-1:1989

Fecha de publicación: 20/07/1989 Technical drawings — Rolling bearings — Part 1: General simplified representation ISO 8826-1:1989

Fecha de publicación: 20/07/1989 Agricultural machinery — Endless variable-speed V-belts and groove sections of corresponding pulleys ISO 3410:1989

Fecha de publicación: 20/07/1989 Stationary source emissions — Determination of the mass concentration of sulfur dioxide — Hydrogen peroxide/barium perchlorate/Thorin method ISO 7934:1989

Fecha de publicación: 24/07/1989 Rubber- or plastics-coated fabrics — Standard atmospheres for conditioning and testing ISO 2231:1989

Fecha de publicación: 27/07/1989 Information technology — Program constructs and conventions for their representation ISO/IEC 8631:1989

Fecha de publicación: 17/08/1989 Iron ores — Determination of acid-soluble iron(II) content — Titrimetric method ISO 9035:1989

Fecha de publicación: 17/08/1989 Non-ionic surface active agents — Polyethoxylated derivatives — Iodometric determination of oxyethylene groups ISO 2270:1989

Fecha de publicación: 17/08/1989 Agricultural machinery — Equipment for sowing, planting, distributing fertilizers and spraying — Recommended working widths ISO 6720:1989