EN ISO 10438-1:2003 Petroleum, petrochemical and natural gas industries Lubrication, shaft-sealing and control-oil systems and auxiliaries Part 1: General requirements ISO 10438-1:2003
2007EN ISO 10438-1:2007 Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 1: General requirements
2003EN ISO 10438-1:2003 Petroleum, petrochemical and natural gas industries Lubrication, shaft-sealing and control-oil systems and auxiliaries Part 1: General requirements ISO 10438-1:2003