
Specification for general requirements for rotating electrical machines. Classification of types of enclosure.
NORMA vydaná dňa 28.2.1977
Designation standards: BS 4999-20:1972
Note: NEPLATNÁ
Publication date standards: 28.2.1977
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS