Petroleum, petrochemical and natural gas industries - Dry gas sealing systems for axial, centrifugal, and rotary screw compressors and expanders (ISO 6368:2021); English version EN ISO 6368:2021
Water-tube boilers and auxiliary installations - Part 2: Materials for pressure parts of boilers and accessories; German version EN 12952-2:2011— 39 стр.
