Electrical engineering; classifications of environmental conditions; environmental conditions appearing in nature, air pressure; identical with IEC 60721-2-3:1987— 4 стр.
Electrical engineering; classification of environmental conditions; environmental conditions appearing in nature; temperature and humidity; identical with IEC 60721-2-1:1982 (status of 1987)— 27 стр.
Electric components - Reliability - Reference conditions for failure rates and stress models for conversion (IEC 61709:2011); German version EN 61709:2011— 88 стр.
Non-invasive sphygmomanometers - Part 1: Requirements and test methods for non-automated measurement type (ISO 81060-1:2007); German version EN ISO 81060-1:2012— 50 стр.
Industrial-process measurement, control and automation - Evaluation of system properties for the purpose of system assessment - Part 4: Assessment of system performance (IEC 61069-4:2016); German version EN 61069-4:2016— 35 стр.
