DIN EN ISO 10439-4:2010-09
Отменен
Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors for special-purpose applications handling gas or process air - Part 4: Expander-compressors (ISO/DIS 10439-4:2010); English version prEN ISO 10439-4:2010
