DIN EN 13508-2 Berichtigung 1:2007-06
Отменен
Conditions of drain and sewer systems outside buildings - Part 2: Visual inspection coding system; German version EN 13508-2:2003, Corrigenda to DIN EN 13508-2:2003-09; German version EN 13508-2:2003/AC:2007
— 2 стр.
