Surfaces for sports areas - Determination of vertical ball behaviour; German version EN 12235:2004, Corrigenda to DIN EN 12235:2004-09; German version EN 12235:2004/AC:2006— 2 стр.
Surfaces for sports areas - Determination of vertical ball behaviour; German version EN 12235:2004, Corrigenda to DIN EN 12235:2004-09; German version EN 12235:2004/AC:2006— 2 стр.