Online Standards Store PDF
Electromagnetic compatibility of technical equipment. Voltage dips, short interruptions and voltage variations immunity. Requirements and test methods
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Subminiature electron glass-type valves and tubes. Basic dimensions
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Gas, gas condensate, oil and gas, oil and gas condensate deposits. Software for well planning and drilling engineering. The main functional and technical requirements
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Systems of bearing structures of the 482,6 mm series. Panels and racks. Main dimensions
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Lasers and solid-state laser heads. Measurement methods of peak local energy (power) density
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Information technology equipment. Safety. Part 21. Remote power feeding
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