ISO 4412-3:1991

Действует

Hydraulic fluid power. Test code for determination of airborne noise levels. Part 3. Pumps. Method using a parallelepiped microphone array — 9 стр.

ICS

23.100.10 Pumps and motors / Насосы и моторы

17.140.20 Noise emitted by machines and equipment / Шум от машин и оборудования