DIN EN ISO 13849-2:2013-02 Safety of machinery - Safety-related parts of control systems - Part 2: Validation (ISO 13849-2:2012); German version EN ISO 13849-2:2012
2013DIN EN ISO 13849-2:2013-02 Safety of machinery - Safety-related parts of control systems - Part 2: Validation (ISO 13849-2:2012); German version EN ISO 13849-2:2012
2013DIN EN ISO 13849-2:2013 Safety of machinery - Safety-related parts of control systems - Part 2: Validation (ISO 13849-2:2012); German version EN ISO 13849-2:2012
2008DIN EN ISO 13849-2:2008 Safety of machinery - Safety-related parts of control systems - Part 2: Validation (ISO 13849-2:2003); English version of DIN EN ISO 13849-2:2008-09