IEC 60625-1-1993 Programmable measuring instruments - Interface system (byte serial, bit parallel) - Part 1: Functional, electrical and mechanical specifications, system applications and requirements for the designer and user

IEC 60624-1978 Expression of the Performance of Pulse Generators IEC 60623-2017 Secondary cells and batteries containing alkaline or other non-acid electrolytes – Vented nickel-cadmium prismatic rechargeable single cells IEC 60622-2002 Secondary cells and batteries containing alkaline or other non-acid electrolytes Sealed nickel-cadmium prismatic rechargeable single cells IEC 60626-1-2009 Combined flexible materials for electrical insulation – Part 1: Definitions and general requirements IEC 60626-2-2009 Combined flexible materials for electrical insulation – Part 2: Methods of test IEC 60626-3-2012 Combined flexible materials for electrical insulation – Part 3: Specifications for individual materials