NF C42-722:2005 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 2-051 : particular requirements for laboratory equipment for mixing and stirring.
2005NF C42-722:2005 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 2-051 : particular requirements for laboratory equipment for mixing and stirring.
1996NF C42-722:1996 Safety requirements for electrical equipment for measurement, control and laboratory use. Part 2-051 : particular requirements for laboratory equipment for mechanical mixing and stirring.