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External circuits for start-stop apparatus for alphabetic telegraphy, 5-element code. Types and basic parameters
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Deflection yoke systems. Methods of measurement and control of parameters
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Sound broadcasting digital. Coding of signals of a sound broadcasting with reduction of redundancy for transfer on digital communication channels. MPEG-2 a part VII: Advanced Audio Coding (MPEG-2 AAC)
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Lasers. Methods of pulse laser radiation peak power measurement
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