Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-2: Particular requirements for fan heaters (IEC 59C/104/CD:2001)
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 3: Procedure for determining and verifying declared emission values (IEC 60704-3:2006); German version EN 60704-3:2006— 20 стр.