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  • ASTM D6617-2021Standard Practice for Laboratory Bias Detection Using Single Test Result from Standard Materi...2022-04-01
  • DB31/T 1314-2021住宅无障碍改造技术指南2022-04-01
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  • GB/T 40099-2021太阳能光热发电站 代表年太阳辐射数据集的生成方法Solar thermal electric plant. Creation of annu...2022-04-01
  • DB33/T 2345-2021生态茶园建设通用要求General requirements for construction of the ecological tea plantation...2022-04-01
  • IEC 61400-12-1-2017/Cor 3-2021Corrigendum 3 - Wind energy generation systems - Part 12-1- Power performance ...2022-04-01
  • ISO 965-5-1998/Amd 1-2021ISO general purpose metric screw threads — Tolerances — Part 5: Limits of sizes f...2022-04-01
  • GB/T 40027-2021信息技术 信息设备互连 智能家用电子系统终端设备属性描述Information technology. Information dev...2022-04-01
  • DIN 28152-2-2021Clamps for glass lined vessels - Part 2: Technical delivery conditions2022-04-01
  • DIN EN ISO 11960-2021Petroleum and natural gas industries - Steel pipes for use as casing or tubing for well...2022-04-01
  • DIN EN ISO 15995-2021Gas cylinders - Specifications and testing of LPG cylinder valves - Manually operated (...2022-04-01
  • ASTM F3117/F3117M-2021aStandard Specification for Crew Interface in Aircraft2022-04-01
  • DIN 28151-2021Nozzles of jacket on agitated vessels, of glass lined steel - Position of nozzles2022-04-01
  • GB/T 40123-2021高纯净细晶铝及铝合金圆铸锭Aluminium and aluminium alloy billet with high purity and fine grai...2022-04-01
  • ISO/TS 21002-2021道路车辆 多维测量和坐标系统定义Road vehicles — Multidimensional measurement and coordinat...2022-04-01
  • DIN 58932-6-2021Haematology - Determination of the concentration of blood corpuscles in blood - Part 6: Refe...2022-04-01
  • NF U44-187-2021Fertilizers and soil conditioners - Mineral soil amendments - Determination of total calcium ...2022-04-01
  • T/ZZB 2332-2021发光二极管用蓝宝石衬底抛光片2022-04-01
  • NF E29-591-5-2021Copper and copper alloys - Plumbing fittings - Part 5 : capillary fittings with short ends ...2022-04-01
  • GB/T 40191-2021牙膏中限用防腐剂的测定 高效液相色谱法Determination of restricted preservatives in toothpaste....2022-04-01
  • ISO 15384-2018/Amd 1-2021Protective clothing for firefighters — Laboratory test methods and performance req...2022-04-01
  • GB/T 40045-2021氢能汽车用燃料 液氢Fuel specification for hydrogen powered vehicles—Liquid hydrogen(LH2)...2022-04-01
  • DIN EN ISO 10140-5-2021Acoustics - Laboratory measurement of sound insulation of building elements - Part 5:...2022-04-01