Canalizaciones para combustibles gaseosos. Espesores mínimos para tuberías de acero.
GAS PIPELINES. MINIMUM WALL THICKNESS FOR STEEL PIPES
Buy on AENOR
77.140.75 / Steel pipes and tubes for specific use
91.140.40 / Gas supply systems
CTN 60 - Gaseous fuels and gas and installations apparatus
It is cancelled by: UNE 60309:2015
