Dentistry - Membrane materials for guided tissue regeneration in oral and maxillofacial surgery - Contents of a technical file (ISO 22803:2004); German version EN ISO 22803:2005— 14 стр.
Dentistry - Polymerization shrinkage: Method for determination of polymerization shrinkage of polymer-based restorative materials (ISO 17304:2013); German version EN ISO 17304:2013— 16 стр.