Timber and wood-based materials in internal windows, internal door leaves and internal doorframes - Requirements and specifications; German version EN 14221:2006— 22 стр.
Timber and wood-based materials in external windows, external door leaves and external doorframes - Requirements and specifications; German version EN 14220:2006— 26 стр.
Plywood - Classification by surface appearance - Part 5: Methods for measuring and expressing characteristics and defects; German version EN 635-5:1999— 6 стр.