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  • GB 21288-2007 移动电话电磁辐射局部暴露限值 Limits for human local exposure to electromagnetic fields emitted...2023-06-13
  • GB/T 51314-2018 数据中心基础设施运行维护标准 Operation and maintenance standard for data center infrastructu...2023-06-13
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  • BS EN 1982-2017 铜和铜合金.铸锭和铸件 Copper And Copper Alloys. Ingots And Castings2023-06-13
  • GB 24542-2009 坠落防护 带刚性导轨的自锁器 Personal fall protection equipment-Guided type fall arrester inclu...2023-06-13
  • BS ISO 16494-2014 热回收装置和能源回收装置 测试性能的方法 Heat recovery ventilators and energy recovery vent...2023-06-13
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  • DL/T 1033.4-2016 电力行业词汇 第4部分:火力发电 Electric power standard thesaurus Part 4: Fossil-fired power g...2023-06-13
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  • ASTM C412-2019 混凝土排水瓦管规格 Standard Specification for Concrete Drain Tile2023-06-13
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