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  • IEEE C62.92.1-2016 Guide For The Application Of Neutral Grounding In Electrical Utility Systems-Part I:Int...2024-01-04
  • ISO 6336-1-2019 正齿轮和斜齿轮承载能力的计算--第1部分：基本原理、绪论和一般影响因素 Calculation of load capaci...2023-12-13
  • LY/T 2589-2016 珍稀濒危植物回归指南 Guidelines on reintroduction practice of rare & endangered plants...2023-11-10
  • BS ISO 21940-1-2019 Mechanical vibration. Rotor balancing. Introduction2023-09-13
  • DIN EN 13523-0-2014 Coil coated metals - Test methods - Part 0: General introduction2023-08-30
  • BS ISO 14707-2015 表面化学分析 辉光放电发射光谱 使用介绍 Surface chemical analysis. Glow discharge optical e...2023-08-16
  • DIN EN ISO 17872-2019 Paints and varnishes – Guidelines for the introduction of scribe marks through coati...2023-08-08
  • EN 419212-1-2017 Application Interface for Secure Elements for Electronic Identification,Authentication and...2023-06-13
  • GB/T 39692-2020硫化橡胶或热塑性橡胶 低温试验 概述与指南Rubber, vulcanized or thermoplastic-Low temperature t...2023-04-16
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