Hexagon regular nuts (style 1), with metric fine pitch thread - Product grades A and B (ISO/DIS 8673:2016); German and English version prEN ISO 8673:2016
Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers - Part 2: Requirement for bushing components; German version EN 50180-2:2015— 28 стр.
