Oscillator, modulator and regulation tubes with anode dissipated power above 25 W. Methods of cut-off voltage (bias), trans. Conductance and amplification factor measurements
Intelligent transport systems. Urban mobility applications for mobile devices. Part 1. General requirements for data exchange between stations of intelligent transport systems
State system for ensuring the uniformity of measurements. State verification schedule for means of measurement of illumination effective time of exposure and colour temperature in sensitometry