• ASTM D8211-2021Standard Test Method for Hot Surface Ignition Temperature of Gases on Flat Surface2022-04-01
  • BS EN IEC 61869-13-2021Instrument transformers. Stand-alone merging unit (SAMU)2022-04-01
  • ABNT NBR 16969-2021Non-destructive testing - Infrared thermography - General principles2022-04-01
  • DIN EN IEC 62541-14-2021OPC unified architecture - Part 14: PubSub (IEC 62541-14:2020); English version EN I...2022-04-01
  • ISO/TS 30421-2021人力资源管理 人员流动和保留指标Human resource management — Turnover and retention metrics...2022-04-01
  • ASTM D4092-2021Standard Terminology for Plastics: Dynamic Mechanical Properties2022-04-01
  • ASTM D7720-2021Standard Guide for Statistically Evaluating Measurand Alarm Limits when Using Oil Analysis to...2022-04-01
  • ISO/IEC TR 23002-8-2021信息技术 MPEG视频技术 第8部分:用客观指标评价视频编码效率实验的工作实践Information t...2022-04-01
  • JT/T 258-2021长江运输船舶操纵性衡准Criteria of manoeuvability for transport ship in Yangtze River2022-04-01
  • ASTM E935-2021Standard Test Methods for Performance of Permanent Metal Railing Systems and Rails for Buildin...2022-04-01
  • BS EN 1254-4-2021Copper and copper alloys. Plumbing fittings. Threaded fittings2022-04-01
  • ISO 23468-2021反应堆技术 动力反应堆分析和测量 用傅里叶变换红外光谱法测定重水同位素纯度Reactor technology ...2022-04-01
  • JIS C62271-200-2021A.C. metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to an...2022-04-01
  • ASTM E466-2021Standard Practice for Conducting Force Controlled Constant Amplitude Axial Fatigue Tests of Me...2022-04-01
  • ISO 19111-2019/Amd 1-2021Geographic information — Referencing by coordinates — Amendment 12022-04-01
  • HG/T 5908-2021异氰酸酯行业绿色工厂评价要求Guideline for assessment of green factory in isocyanate industry...2022-04-01
  • ASTM D3222-2021Standard Specification for Unmodified Poly(Vinylidene Fluoride) (PVDF) Molding Extrusion and ...2022-04-01
  • GB/T 39881-2021疑似毒品中安眠酮检验 气相色谱和气相色谱-质谱法Examination methods for methaqualone in suspect...2022-04-01
  • ISO 23722-2021肉类和肉制品 词汇Meat and meat products — Vocabulary2022-04-01
  • BS EN 1254-20-2021Copper and copper alloys. Plumbing fittings. Definitions, thread dimensions, test methods,...2022-04-01
  • ISO 21256-3-2021细气泡技术 清洁应用 第3部分:清洁硬地板表面的试验方法Fine bubble technology — Cleaning appl...2022-04-01
  • DIN 96298-4-2021Medical instruments - Terms, measuring methods and tests - Part 4: Control of function in re...2022-04-01
  • GB/T 22889-2021皮革 物理和机械试验 表面涂层厚度的测定Leather. Physical and mechanical tests. Determination o...2022-04-01
  • T/ZZB 2316-2021纸质包装印刷品2022-04-01