2012DIN EN 1457-2:2012 Chimneys - Clay/ceramic flue liners - Part 2: Flue liners operating under wet conditions - Requirements and test methods; German version EN 1457-2:2012
1999DIN EN 1457:2003 Chimneys — Clay/ceramic flue liners — Requirements and test methods
1970DIN EN 1457 E:2002-05 Chimneys — Clay/ceramic flue liners — Requirements and test methods