UNE-EN 60335-2-90:2007/A1:2011 Household and similar electrical appliances - Safety -- Part 2-90: Particular requirements for commercial microwave ovens
2011UNE-EN 60335-2-90:2007/A1:2011 Household and similar electrical appliances - Safety -- Part 2-90: Particular requirements for commercial microwave ovens
2007UNE-EN 60335-2-90:2007 Household and similar electrical appliances - Safety -- Part 2-90: Particular requirements for commercial microwave ovens (IEC 60335-2-90:2006).