• ISO 18441-2021Space data and information transfer systems — Space link extension — Application program int...2022-03-31
  • GB/T 39879-2021疑似毒品中鸦片五种成分检验 气相色谱和气相色谱-质谱法Examination methods for five components i...2022-03-31
  • GB/T 40267-2021植物源产品中左旋多巴的测定 高效液相色谱法Determination of Levodopa in plant derived products....2022-03-31
  • ABNT NBR ISO 6489-2-2021Agricultural vehicles - Mechanical connections between towed and towing vehicles Par...2022-03-31
  • ISO 21806-15-2021道路车辆 面向媒体的系统传输(MOST) 第15部分:瘦应用程序层一致性测试计划Road vehicles — Me...2022-03-31
  • T/ZZB 2237-2021未增塑聚氯乙烯(PVC-U)马术护栏2022-03-31
  • ASTM E2839-2021Standard Practice for Production and Storage of Spores of C. difficile for Use in Efficacy Ev...2022-03-31
  • ASTM D3465-2021Standard Guide for Purity of Monomeric Plasticizers by Gas Chromatography2022-03-31
  • BS 5325-2021Installation of textile floor coverings. Code of practice2022-03-31
  • ISO 11146-2-2021Lasers and laser-related equipment — Test methods for laser beam widths, divergence angles ...2022-03-31
  • BS ISO 12003-2-2021Tractors for agriculture and forestry. Roll-over protective structures on narrow tractors...2022-03-31
  • ABNT NBR ISO 19347-2021Synchronous belt drives - Imperial pitch trapezoidal profile system - Belt and pulley...2022-03-31
  • T/ZZB 2227-2021铜制低流阻倒流防止器2022-03-31
  • T/ZZB 2278-2021挂式透明卡套2022-03-31
  • HG/T 5966-2021高氯废液化学需氧量的测定方法2022-03-31
  • BS EN 13852-3-2021Cranes. Offshore cranes. Light offshore cranes2022-03-31
  • T/ZZB 2364-2021离心压缩机用可倾瓦径向滑动轴承2022-03-31
  • DB33/T 2357-2021未来社区商业建设及运营规范Future community commercial construction and operation standards...2022-03-31
  • ABNT NBR 16664-3-2021Neurosurgical implants - Hydrocephalus shunt Part 3: Test method for assessing pressure...2022-03-31
  • ISO 11199-1-2021Assistive products for walking manipulated by both arms — Requirements and test methods — ...2022-03-31
  • T/ZZB 2205-2021冲压式合模机2022-03-31
  • JIS Z3609-1-2021Friction stir spot welding -- Aluminium -- Part 1: Vocabulary and welding processes2022-03-31
  • DIN EN 300338-1-2021Technical characteristics and methods of measurement for equipment for generation, trans...2022-03-31
  • T/ZZB 2250-2021轴偏心式圆振动筛2022-03-31