DIN EN 13724:2013-07 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods; German version EN 13724:2013
2016DIN EN 13724 Berichtigung 1:2016-08 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods; German version EN 13724:2013, Corrigendum to DIN EN 13724:2013-07; German version EN 13724:2013/AC:2016
2013DIN EN 13724:2013-07 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods; German version EN 13724:2013
2013DIN EN 13724:2013 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods; German version EN 13724:2013