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Low-power electronic tubes and valves. Methods of measurement of cathode heating time and readiness time
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Information processing systems. Open systems interconnection. Basic connection oriented session protocol specification
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Switches, hardware and electric connectors. Performance checking in low-level circuits
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Single and double sided printed boards with plain holes. General specifications
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Workmanship requirements for soldered electronic assemblies. Part 1. General
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Communication networks and systems in substations. Part 6. Configuration description language for communication in electrical substations related to IEDs
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