More IEC standard pdf
IEC 60050-466 Amd.3 Ed. 1.0 b:2021
Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 466: Overhead lines
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IEC 60545 Ed. 2.0 b:2021
Guidelines for commissioning and operation of hydraulic turbines, pump-turbines and storage pumps
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IEC 60050-715 Amd.3 Ed. 1.0 b:2021
Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 715: Telecommunication networks, teletraffic and operation
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