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Electromagnetic compatibility of technical equipment. Systems and equipment of railway transport. Part 4-1. Devices and equipment of railway automatics and telemechanics. Requirements and testing methods
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Information technology. Security techniques. Guidelines for identification, collection, acquisition and preservation of digital evidence
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TV receiving aerials for television and sound broadcasting stations in VHF and UHF frequency bands. Measurement methods of electric parameters
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High-intensity gas-discharge sources of optical radiation. General specifications
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Inductor and transformer cores for telecommunication. Part 1. Generic specification
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