2022DIN EN 12952-2:2022-02 Water-tube boilers and auxiliary installations - Part 2: Materials for pressure parts of boilers and accessories; German version EN 12952-2:2021
2022DIN EN 12952-2:2022 Water-tube boilers and auxiliary installations - Part 2: Materials for pressure parts of boilers and accessories
2011DIN EN 12952-2:2011 Water-tube boilers and auxiliary installations - Part 2: Materials for pressure parts of boilers and accessories; German version EN 12952-2:2011