DIN EN 12952-9:2003 Water tube boilers and auxiliary installations - Part 9: Requirements for firing systems for pulverized solid fuels for the boiler; German version EN 12952-9:2002
2022DIN EN 12952-9:2022-12 Water-tube boilers and auxiliary installations - Part 9: Requirements for firing systems for pulverized solid fuels for the boiler; German version EN 12952-9:2022
2022DIN EN 12952-9:2022 Water-tube boilers and auxiliary installations - Part 9: Requirements for firing systems for pulverized solid fuels for the boiler
2003DIN EN 12952-9:2003 Water tube boilers and auxiliary installations - Part 9: Requirements for firing systems for pulverized solid fuels for the boiler; German version EN 12952-9:2002