Letter symbols to be used in electrical technology - Part 1: General (IEC 60027-1:1995 (Reprint) + A1:1997 + A2:2005); German version EN 60027-1:2006 + A2:2007— 89 стр.
Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics (IEC 60027-2:2005); German version EN 60027-2:2007— 92 стр.
Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units (IEC 60027-3:2002); German version EN 60027-3:2007— 15 стр.
Letter symbols to be used in electrical technology - Part 7: Power generation, transmission and distribution (IEC 60027-7:2010); German version EN 60027-7:2010— 39 стр.
Conformity assessment - Requirements for bodies providing audit and certification of management systems - Part 1: Requirements (ISO/IEC 17021-1:2015); German and English version EN ISO/IEC 17021-1:2015— 97 стр.
Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units (IEC 60027-3:2002); German version HD 60027-3:2004
Conformity assessment - Requirements for bodies providing audit and certification of management systems - Part 1: Requirements (ISO/IEC 17021-1:2015); German and English version EN ISO/IEC 17021-1:2015; Corrigendum 1— 2 стр.
Energy management systems - Guidance for the implementation, maintenance and improvement of an ISO 50001 energy management system (ISO 50004:2020)— 50 стр.
Energy management systems - Measuring energy performance using energy baselines (EnB) and energy performance indicators (EnPI) - General principles and guidance (ISO 50006:2014)— 45 стр.
Energy management systems - Requirements for bodies providing audit and certification of energy management systems (ISO 50003:2014); Text in German and English— 27 стр.
Conformity assessment - Requirements for bodies providing audit and certification of management systems - Part 1: Requirements (ISO/IEC 17021-1:2015); German and English version EN ISO/IEC 17021-1:2015— 97 стр.
