KS F 2863-1-2017(2022) Rating of floor impact sound insulation for impact source in buildings and of building elements-Part 1:Floor impact sound insulation against standard light impact source
2017KS F 2863-1-2017 Rating of floor impact sound insulation for impact source in buildings and of building elements-Part 1:Floor impact sound insulation against standard light impact source
2002KS F 2863-1-2002 Rating of floor impact sound insulation for impact source in buildings and of building elements-Part 1:Floor impact sound insulation against standard light impact source