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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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Printing teletypes for 5-element code. Reliability test methods

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Two-way antennas for central (base) and mobile land radio and their characteristics. Basic parameters. Technical requirements

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