Ventilation and air conditioning - Part 4: Ventilation in buildings and rooms of health care - Supplement 1: Checklist for planning, execution and operation of components— 16 стр.
Structural bearings - Part 4: Roller bearings; German version EN 1337-4:2004, Corrigenda to DIN EN 1337-4:2004-08; German version EN 1337-4:2004/AC:2007— 2 стр.