Fire detection and fire alarm systems - Part 7: Smoke detectors - Point detectors using scattered light, transmitted light or ionization; German version EN 54-7:2000 + A1:2002 + A2:2006— 71 стр.
Fire behaviour of building materials and building components - Part 22: Application standard for DIN 4102-4 based on the design of partial safety factors— 34 стр.