Tolerances for fasteners - Part 1, bolts, screws and nuts with thread diameters <grцЯer => 1,6 <kleiner => 150 mm and product grades A, B and C— 18 стр.
Portable ladders for fire brigade in accordance to DIN EN 1147 - Stick ladder, hook ladder, extending ladder, sectional ladder, socket part, multifunction ladder— 25 стр.