BS 4999 : Part 50 : 1972 : Specification for general requirements for rotating electrical machines : Part 50 - mechanical performance - vibration
- London British Standards Institute
- 3p.
STD1931
BS 4999 : Part 50 : 1972
621.313-752 : 534.83
STD1931
BS 4999 : Part 50 : 1972
621.313-752 : 534.83