Electrical resistance trace heating systems for industrial and commercial applications - Part 2: Application guide for system design, installation and maintenance— 180 стр.
Plastics -- Determination of changes in colour and variations in properties after exposure to daylight under glass, natural weathering or laboratory light sources Plastics -- Determination of changes in colour and variations in properties after exposure to daylight under glass, natural weathering or laboratory light sources— 24 стр.
Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines (IEC 60034-3:2007) (english version)
Explosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gases (IEC 60079-29-4:2009, modified + Corr.:2010) (english version)
