DIN EN ISO 12212:2013-04 Petroleum, petrochemical and natural gas industries - Hairpin-type heat exchangers (ISO 12212:2012); English version EN ISO 12212:2012
2013DIN EN ISO 12212:2013-04 Petroleum, petrochemical and natural gas industries - Hairpin-type heat exchangers (ISO 12212:2012); English version EN ISO 12212:2012
2013DIN EN ISO 12212:2013 Petroleum, petrochemical and natural gas industries - Hairpin-type heat exchangers (ISO 12212:2012); English version EN ISO 12212:2012