Neurosurgical implants - Sterile, single-use hydrocephalus shunts and components (ISO 7197:2006); German version EN ISO 7197:2006, Corrigendum to DIN EN ISO 7197:2006-09; German version EN ISO 7197:2006/AC:2008— 2 стр.
German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 56: Gravimetric determination of low volatile lipophilic substances after solvent extraction (H 56)— 11 стр.