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Varistors. Method of measuring voltage and current temperature
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Telecontrol equipment and systems. Part 5. Transmission protocols. Section 104. Network access for IEC 60870-5-101 using standard transport profiles
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Semiconductor microwave switching and limiter diodes. Methods of measuring loss resistances
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Power supply interface at the input to telecommunications equipment. Operated by alternating current (ac)
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The unified system of electronic computers. Base constructions of hardware. Basic dimensions
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