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Reprography. Micrography. Microfiches of catalogues. General requirements and norms

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Broadcasting transmitters, fixed AM modulated, ranges of low frequency, mean frequency and high frequency. Main parameters, technical requirements and methods of measurement

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Certificate management for financial services. Public key certificates

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Oscillator tubes anode dissipated more than 25 W. Test method for relative level of combinative products

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Data transmission system signal conversion equipment for unswitched voice frequency channels, using compression information cod

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System for multiplexing sound channel television. Basic parameters

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