
Specification for general requirements for rotating electrical machines. Noise levels.
NORMA vydaná dňa 31.10.1973
Designation standards: BS 4999-51:1973
Note: NEPLATNÁ
Publication date standards: 31.10.1973
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS