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IEC 60704-2-7:1997 ed1.0

Заменен
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-7: Particular requirements for fans — 21 стр.
Applies to electrical fans including their accessories and their component parts for household and similar use, designed for a.c. or d.c. supply. Motor, impeller and their housing, if any, form a single unit. Applies to table fans, pedestal fans, ceiling fans and partition fans
ICS
23.120 Ventilators. Fans. Air-conditioners / Вентиляторы. Фены. Кондиционеры
17.140.20 Noise emitted by machines and equipment / Шум от машин и оборудования