Air transport. Safety management system of helicopter activity. General principles of safety management system of helicopter activity during helicopter lifecycle. Main provisions
Mechanical vibration. Evaluation of machine vibration by measurements on non-rotating parts. Part 2. Land-based steam turbines and generators in excess of 50 MW with normal operating speeds of 1500 r/min, 1800 r/min, 3000 r/min and 3600 r/min
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