Petroleum and related products - Determination of the corrosion resistance of fire-resistant hydraulic fluids - Part 1: Water-containing fluids (ISO 4404-1:2012); German version EN ISO 4404-1:2012— 23 стр.
Corrosion of metals and alloys - Corrosivity of atmospheres - Determination of corrosion rate of standard specimens for the evaluation of corrosivity (ISO 9226:2012); German version EN ISO 9226:2012— 10 стр.
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 (english version)