
Electrical engineering; classification of environmental conditions; environmental conditions appearing in nature; temperature and humidity; amendment to IEC 721-2-1; identical with IEC 75(Central Office)31 and 32.
NORMA vydaná dňa 1.1.1987
Designation standards: E DIN IEC 60721-2-1/A1:1987-01
Note: NEPLATNÁ
Publication date standards: 1.1.1987
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Elektrotechnik; Klassifizierung von Umweltbedingungen; Natürliche Einflüsse, Temperatur und Luftfeuchte; Änderung zu IEC 721-2-1.