Building hardware - Controlled door closing devices - Part 1: Surface (top) mounted door closer with crank drive and spiral spring (pot-type door closer)— 11 стр.
Building hardware - Lever handle units for fire doors and smoke control doors - Terms and definitions, dimensions, requirements, testing and marking— 10 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - General rules applying to all types of construction work— 14 стр.
