Household and similar electrical appliances - Test code for the determination of airborne noise - Part 1: General requirements (Amendment) (english version)
17.140.20 Noise emitted by machines and equipment / Шум от машин и оборудования
97.030 Domestic. Including water-bed heaters and electric blankets / Бытовые электрические приборы в целом. Включая нагреватели водяных кроватей и электроодеяла