Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria; German version EN 378-1:2000— 51 стр.
Safety of machinery - Emergency stop - Principles for design (ISO 13850:2006); German version EN ISO 13850:2008, Corrigendum to DIN EN ISO 13850:2008-09— 2 стр.