Normas ISO

Polypropylene (PP) valves for pipes under pressure -- Basic dimensions -- Metric series

Surface active agents -- Sulfated ethoxylated alcohols and alkylphenols -- Determination of total active matter content

Shipbuilding and marine structures -- Toughened safety glass panes for rectangular windows and side scuttles -- Punch method of non-destructive strength testing

Information processing systems -- Data interchange on 90 mm (3,5 in) flexible disk cartridges using modified frequency modulation recording at 15 916 ftprad, on 80 tracks on each side-- Part 1: Dimensional, physical and magnetic characteristics

Information processing systems -- Data interchange on 90 mm (3,5 in) flexible disk cartridges using modified frequency modulation recording at 15 916 ftprad, on 80 tracks on each side-- Part 2: Track format

Solar energy -- Water heating systems -- Guide to material selection with regard to internal corrosion