Non-domestic gas-fired convective air heaters, incorporating a fan to transportation of combustion air or combustion products, nominal heat output of up to 300 kW
Information technology. Test methods for machine readable travel documents (MRTD) and associated devices. Part 1. Physical test methods for passport books (durability)
State system for ensuring the uniformity of measurements. Method of surface roughness effective height measurements by means of scanning probe atomic force microscope
