BS EN ISO 10438-1:2008 Petroleum, petrochemical and natural gas industries. Lubrication, shaft-sealing and control-oil systems and auxiliaries. General requirements
2008BS EN ISO 10438-1:2008 Petroleum, petrochemical and natural gas industries. Lubrication, shaft-sealing and control-oil systems and auxiliaries. General requirements
2008BS EN ISO 10438-1:2007 Petroleum, petrochemical and natural gas industries - Lubrication , shaft-sealing and control-oil systems and auxiliaries - General requirements