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Information technology. Open Systems Interconnection. The directory. Part 5. Protocol specifications

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Optical fibres. Part 1-41. Measurement methods and test procedures. Bandwidth

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TV receiving aerials for television and sound broadcasting stations in VHF and UHF frequency bands. Measurement methods of electric parameters

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Resistors. Method of measuring insulation resistance

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Integrated circuits. Terms and definitions

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Magnetic heads for tape recorders. General specifications

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