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BS EN ISO 3822-4:1997

Действует
Acoustics. Laboratory tests on noise emission from appliances and equipment used in water supply installations. Mounting and operating conditions for special appliances — 34 стр.
ICS
91.140.60 Water. Including water meters in buildings / Системы водоснабжения. Включая счетчики воды в зданиях
17.140.20 Noise emitted by machines and equipment / Шум от машин и оборудования