Normas ISO

Ethylene for industrial use -- Sampling in the liquid and the gaseous phase

Pneumatic fluid power -- Cylinders -- Bore and port thread sizes

ISO 2857:1973/Amd 2:1986

Information processing -- Data interchange on 6,30 mm (0.25 in) wide magnetic tape cartridge using IMFM recording at 252 ftpmm (6 400 ftpi)-- Part 2: Track format and method of recording for data interchange in start/stop mode

Optics and optical instruments -- Microscopes -- Slides-- Part 1: Dimensions, optical properties and marking

Aluminium oxide primarily used for the production of aluminium -- Determination of the fine particle size distribution (less than 60 mu/m) -- Method using electroformed sieves