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Communication networks and systems in substations. Part 7-1. Basic communication structure for substation and feeder equipment. Principles and models
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Information technology. International standardized profiles AFTnn. File transfer, access and management. Part 1. Specification of ACSE, presentation and session protocols for use by FTAM
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Information technology. Process reference model (PRM) for information security management
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Oscillator tubes with anode dissipation above 25 W. Method of electric strength test
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Connectors of microwave channels of radio measuring apparatus. Connecting dimensions
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