UNE-EN 60154-2:2016 Flanges for waveguides - Part 2: Relevant specifications for flanges for ordinary rectangular waveguides (Endorsed by Asociación Española de Normalización in January of 2017.)
2017UNE-EN 60154-2:2016 Flanges for waveguides - Part 2: Relevant specifications for flanges for ordinary rectangular waveguides (Endorsed by Asociación Española de Normalización in January of 2017.)