NF E32-020-5:1991 Insdustrial heating equipments. Safety of steam or superheated steam generators, permanently manned or not. Part 5 : specific requirements for non-pulverized coal-fuelled installations.
1991NF E32-020-5:1991 Insdustrial heating equipments. Safety of steam or superheated steam generators, permanently manned or not. Part 5 : specific requirements for non-pulverized coal-fuelled installations.