Vitreous and porcelain enamels - Design of bolted steel tanks for the storage or treatment of water or municipal or industrial effluents and sludges (ISO 28765:2008); German version EN ISO 28765:2011— 35 стр.
Vitreous and porcelain enamels - Design of bolted steel tanks for the storage or treatment of water or municipal or industrial effluents and sludges (ISO 28765:2016); German version EN ISO 28765:2016— 39 стр.
Safety requirements for suspended access equipment - Design calculations, stability criteria, construction - Examinations and tests; German version EN 1808:2015— 144 стр.