Russian standards
Projectors and projection units for 70-, 35- and 16-mm motion pictures. Dimensions and position of projectable image areas. Control methods
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Dual-sided leaves fixed by screws and rivets. Design and sizes
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Health informatics. Patient healthcard data. Part 8. Links
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Colour photographic paper. Method of general sensitometric test
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Oscillator, modulator and regulation tubes with anode dissipated above 25 W. Method of measurement of cathode current
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Sound broadcasting picture channels connecting line. Basic parameters. Methods of measurements
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