NF C42-721:2006 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-020 : particular requirements for laboratory centrifuges.
2006NF C42-721:2006 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-020 : particular requirements for laboratory centrifuges.
1994NF C42-721:1994 Safety requirements for electrical equipment for measurement, control and laboratory use. Part 2-020 : particular requirements for laboratory centrifuges.