DIN EN ISO 10440-2:2003 石油和天然氣工業.旋轉型容積式壓縮機.第2部分:封裝空氣壓縮機(無油)
Petroleum and natural gas industries - Rotary type positive-displacement compressors - Part 2: Packaged air compressors (oil-free) (ISO 10440-2:2001); German and English version EN ISO 10440-2:2001