DIN EN 60153-2 Berichtigung 1:2017-05
Hollow metallic waveguides - Part 2: Relevant specifications for ordinary rectangular waveguides (IEC 60153-2:2016); German version EN 60153-2:2016, Corrigendum to DIN EN 60153-2:2017-02; German version EN 60153-2:2016/AC:2017-02