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Information technology. Use of X. 25 packet layer protocol to provide the OSI connection-mode Network Service over the telephone network

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Low-power electronic tubes and valves. Method of measurement of insulation resistance between electrodes and between electrodes and all other elements of tubes and valves

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Personal computers. Types, basic parameters, general requirements

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Information technology. Information resource dictionary system (IRDS) framework

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Quality assessment systems. Part 2. Selection and use of sampling plans of electronic components and packages

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Optical fibres. Part 1-43. Measurement methods and test procedures. Numerical aperture

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