IEEE Guide for Testing Switchgear Rated Up to 52 kV for Internal Arcing Faults
NORMA vydána dne 7.2.2018
Designation standards: IEEE C37.20.7-2017
Note: NEPLATNÁ
Publication date standards: 7.2.2018
The number of pages: 86
Approximate weight : 289 g (0.64 lbs)
Country: International technical standard
Kategorie: Technické normy IEEE