ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST MINES AND QUARRIES). PART 3: GENERAL REQUIREMENTS FOR EQUIPMENT AND ANCILLARIES.
NORMA vydaná dňa 9.10.1995
Designation standards: UNE 21621-3:1995
Publication date standards: 9.10.1995
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE