DIN EN 14220 E:2001-09 Timber and wood-based materials in external windows, external door leaves and external doorframes - Requirements and specifications
2007DIN EN 14220:2007-01 Timber and wood-based materials in external windows, external door leaves and external doorframes - Requirements and specifications; German version EN 14220:2006
1970DIN EN 14220 E:2001-09 Timber and wood-based materials in external windows, external door leaves and external doorframes - Requirements and specifications