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  • GB/T 18216.3-2021交流1000V和直流1500V及以下低壓配電系統(tǒng)電氣安全 防護(hù)措施的試驗(yàn)、測(cè)量或監(jiān)控設(shè)備 第3部分:環(huán)路阻...2022-03-31
  • GB/T 40048-2021木質(zhì)結(jié)構(gòu)材螺栓連接力學(xué)性能測(cè)試方法Test methods for bolted connections in structural wood and ...2022-03-31
  • IEC 62153-4-5-2021Metallic communication cable test methods - Part 4-5- Electromagnetic compatibility (EMC) ...2022-03-31
  • DIN EN IEC 60352-3-2021Solderless connections - Part 3: Accessible insulation displacement (ID) connections ...2022-03-31
  • ASTM D2244-2021Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumental...2022-03-31
  • T/ZZB 2204-2021智能固定分隔式低壓成套開關(guān)設(shè)備和控制設(shè)備2022-03-31
  • T/ZZB 2253-2021戶外重組竹地板2022-03-31
  • LY/T 3263-2021澳洲堅(jiān)果栽培技術(shù)規(guī)程Technical regulations for cultivation of macadamia nuts2022-03-31
  • BS EN IEC 60455-3-8-2021Resin based reactive compounds used for electrical insulation. Specifications for in...2022-03-31
  • T/ZZB 2569-2021煙用接裝紙Tipping paper for cigarette2022-03-31
  • ABNT NBR 6347-2021Zinc coated steel barbed wire - Test Method2022-03-31
  • JIS G3323-2019/Amd 1-2021熱浸鋅-鋁-鎂合金鍍層鋼板及鋼帶Hot-dip zinc-aluminium-magnesium alloy-coated steel s...2022-03-31
  • ISO 12614-10-2021Road vehicles — Liquefied natural gas (LNG) fuel system components — Part 10: Rigid fuel ...2022-03-31
  • ASTM F2131-2021Standard Test Method for In Vitro Biological Activity of Recombinant Human Bone Morphogeneti...2022-03-31
  • DIN EN ISO 14819-1-2021Intelligent transport systems - Traffic and travel information messages via traffic m...2022-03-31
  • ISO 19220-2021Plastics piping systems for soil and waste discharge (low and high temperature) inside buildin...2022-03-31