Fuel cell technologies. Fuel cell power systems for propulsion other than road vehicles and auxiliary power units (APU). Safety of electrically powered industrial trucks— 56 стр.
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units (IEC 61558-2-16:2009 + A1:2013) (english version)
Electrical apparatus for use in the presence of combustible dust - Part 10: Classification of areas where combustible dusts are or may be present— 53 стр.
