Russian standards PDF
Short-circuits and overloads protection of railway power supply systems. Part 1. General principles and rules of protections, blockings and network automatics in power supply systems
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Unmanned aircraft systems in construction, used for geodetic work. General requirements
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Geodesy and cartography. Topographic monitoring during digital (electronic) updates topographic maps and updating of spatial data. General provisions
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Electric low-speed two-wheel vehicles. Technical requirements and test methods
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Integrated circuits. Analog-digital converters. Methods for measuring conversion time
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Generator, modulator and regulating lamps with power dissipated by anode above 25W. Methods for monitoring the absence of intra-tube short circuits and breaks in the heater electrodes
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