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Group interface for data signal transmission equipment. Key parameters
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Cable apparatus. General technical requirements, acceptance rules and test methods
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Information technology. European e-Competence Framework 2.0. Part 2. User guidelines for the application of the European e-Competence Framework 2.0
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Field-effect transistors. Method of measuring output power, power gain and drain efficiency
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Materials for printed boards and other interconnecting structures. Part 2-2. Reinforced base materials, clad and unclad. Phenolic cellulose paper reinforced laminated sheets, copper-clad and high electrical grade
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Intermediate stations for train control tower and (railway) junction connection types PPT-66D and PPT-66P. Quality requirements
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