DIN 28091-3 [ Withdrawn ]
DIN 28091-3 Technical delivery conditions for gasket sheets - Part 3: PTFE-based gasket materials (TF); requirements and testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/1995
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/1995