ISO 7919-2:2009
Действует
Mechanical vibration -- Evaluation of machine vibration by measurements on rotating shafts -- Part 2: Landbased steam turbines and generators in excess of 50 MW with normal operating speeds of 1 500 r/min, 1 800 r/min, 3 000 r/min and 3 600 r/min
— 20 стр.