DIN 28148:1992 PTFE envelope gaskets for glass lined agitator vessels
DIN EN ISO 13920:1996 Welding - General tolerances for welded constructions - Dimensions for lengths and angles; shape and position (ISO 13920:1996); German version EN ISO 13920:1996
DIN 28007-2:2017 history
2017DIN 28007-2:2017-04 General tolerances for columns - Part 2: Glass lined columns
2017DIN 28007-2:2017 General tolerances for columns - Part 2: Glass lined columns
2001DIN 28007-2:2001 General tolerances for columns - Part 2: Glass lined columns