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BS EN 60947-5-4-2003+A1-2019 Low-voltage switchgear and controlgear. Control circuit devices and switching elements. Method of assessing the performance of low-energy contacts. Special tests

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标准编号：BS EN 60947-5-4-2003+A1-2019
标准状态：现行
更新时间：2023-04-18
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上一条：EN 16727-1-2018Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Non-acoustic performance. Part 1:Mechanical performance under static loadings. Calculation and test method

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Performance switchgear Low-energy