Quality management and quality assurance standards - Part 1: Guidelines for selection and use (ISO 9000-1:1994); Trilingual version EN ISO 9000-1:1994— 47 стр.
Electrical engineering; basic environmental testing procedures; tests; test N: change of temperature; identical with IEC 60068-2-14, edition 1984 (status as of 1986)
Optical amplifiers - Part 5-2: Qualification specifications; Reliability qualification for optical fibre amplifiers (IEC 61291-5-2:2002); German version EN 61291-5-2:2002— 25 стр.