Normas ISO

Optics and optical instruments -- Preparation of drawings for optical elements and systems-- Part 6: Centring tolerances

Optics and optical instruments -- Preparation of drawings for optical elements and systems-- Part 7: Surface imperfection tolerances

Optics and optical instruments -- Preparation of drawings for optical elements and systems-- Part 9: Surface treatment and coating

Optics and photonics -- Preparation of drawings for optical elements and systems-- Part 11: Non-toleranced data

Road vehicles -- Coupling balls for caravans and light trailers -- Dimensions

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Circuit-mode multi-rate bearer services -- Service description, functional capabilities and information flows