IEC 60335-1:2010 Household and similar electrical appliances - Safety - Part 1: General requirements
GOST IEC 60335-2-50-2013 history
2013GOST IEC 60335-2-50-2013 Household and similar electrical appliances. Safety. Part 2- 50. Particular requirements for commercial electric bains-marie
1992GOST 27570.43-1992 Safety of household and similar electrical appliances. Particular requirements for commercial electric bainmaries