DIN EN 13942:2009-06 Petroleum and natural gas industries - Pipeline transportation systems - Pipeline valves (ISO 14313:2007 modified + Cor 1:2009); English version EN 13942:2009 + AC:2009
2009DIN EN 13942:2009-06 Petroleum and natural gas industries - Pipeline transportation systems - Pipeline valves (ISO 14313:2007 modified + Cor 1:2009); English version EN 13942:2009 + AC:2009
2009DIN EN 13942:2009 Petroleum and natural gas industries - Pipeline transportation systems - Pipeline valves (ISO 14313:2007 modified + Cor 1:2009); English version EN 13942:2009 + AC:2009