Normas ISO

Road vehicles -- Mechanical coupling between tractors and semi-trailers-- Part 1: Interchangeability between tractors and semi-trailers for general cargo

Machinery for forestry -- Safety requirements and testing for pole-mounted powered pruners-- Part 2: Units for use with a back-pack power source

Machinery for forestry -- Safety requirements and testing for pole-mounted powered pruners-- Part 1: Units fitted with an integral combustion engine

Space data and information transfer systems -- Standard formatted data units -- Control authority procedures

Safety and performance criteria for seamless gas cylinders

Plastics pipes and fittings -- Pressure reduction factors for polyethylene pipeline systems for use at temperatures above 20 degrees C