Safety of machinery - Basic concepts, general principles for design - Part 1: Basic terminology, methodology - Amendment 1 (ISO 12100-1:2003/Amd 1:2009); German version EN ISO 12100-1:2003/A1:2009— 8 стр.
Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles - Amendment 1 (ISO 12100-2:2003/Amd 1:2009); German version EN ISO 12100-2:2003/A1:2009— 11 стр.