
LIGHTNING ARRESTERS. PART 1: NON-LINEAR RESISTOR TYPE ARRESTERS FOR A. C. SYSTEMS.
NORMA vydaná dňa 26.12.1989
Designation standards: UNE 21087-1:1989
Note: NEPLATNÁ
Publication date standards: 26.12.1989
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE