Russian standards
Low-power electronic tubes and valves. Methods of measurement of amplification factor
Document status: Active
Projectors and projection units for 70-, 35- and 16-mm motion pictures. Dimensions and position of projectable image areas. Control methods
Document status: Active
Dual-sided leaves fixed by screws and rivets. Design and sizes
Document status: Active
Health informatics. Patient healthcard data. Part 8. Links
Document status: Active
Colour photographic paper. Method of general sensitometric test
Document status: Active
Oscillator, modulator and regulation tubes with anode dissipated above 25 W. Method of measurement of cathode current
Document status: Active