Petroleum, petrochemical and natural gas industries - Air-cooled heat exchangers (ISO 13706:2011); English version EN ISO 13706:2011, only on CD-ROM— 155 стр.
Rolling bearings - Angular contact radial ball bearings - Part 4: Single row, double-direction - not self-locking, with double-split inner ring (Four-point contact bearing)— 10 стр.