Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges, NPS 1/2 to 24; German version EN 1759-1:2004— 78 стр.
Petroleum, petrochemical and natural gas industries - Rotary-type positive-displacement compressors - Part 1: Process compressors (ISO 10440-1:2007); English version EN ISO 10440-1:2007— 142 стр.
Petroleum and natural gas industries - Design and installation of piping systems on offshore production platforms (ISO 13703:2000 + Cor. 1:2002); German and English version EN ISO 13703:2000 + AC:2002— 168 стр.