DIN 20000-401 E:2016-07 Application of building products in structures - Part 401: Rules for the application of clay masonry units according to DIN EN 771-1:2015-11
2017DIN 20000-401:2017 Application of building products in structures - Part 401: Rules for the application of clay masonry units according to DIN EN 771-1:2015-11
2012DIN 20000-401:2012 Application of building products in structures - Part 401: Rules for the application of clay masonry units according to DIN EN 771-1:2011-07
2005DIN V 20000-401:2005 Application of building products in structures - Part 401: Rules for the application of clay masonry units according to DIN EN 771-1:2005-05