Normas ISO

Agricultural and forestry machinery — Safety requirements and testing for portable, hand-held, powered brush-cutters and grass-trimmers — Part 1: Machines fitted with an integral combustion engine

Optics and photonics — Test method for refractive index of optical glasses — Part 2: V-block refractometer method

Road vehicles — Tachograph systems — Part 1: Electromechanical components

Road vehicles — Tachograph systems — Part 4: Display unit communication interface

Internal combustion engines — Piston rings — Expander/rail oil-control rings

Corrosion of metals and alloys — Standard test method for particle-free erosion corrosion of metallic materials by jet-in-slit