State system for ensuring the unification of measurements. State special standard and state verification schedule for means measuring radiation field parameters of antenna systems with aperture dimensions from 5 to 100 m and of the airborne antennas within the frequency range from 0,3 to 3,0 GHz
Occupational safety standards system. Photoluminescent evacuation systems. Elements of systems. Classification. The technical requirements. Methods of tests
Building acoustics. Estimation of acoustic performance of buildings from the performance of elements. Part 5. Sounds levels due to the service equipment
