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Industrial communications networks. Profiles. Part 3. Functional safety fieldbuses. General rules and profile definitions
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Single-phase feeding transformers for main with voltage from 1000 up to 35000 V and a power up to 4000 V A. Basic parameters
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Electromagnetic compatibility of technical equipment. Voltage dips, short interruptions and voltage variations immunity. Requirements and test methods
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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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Reprography. Micrography. Boxes for microfilm in roll. Main sizes and technical requirements
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