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  • GB/T 40233-2021热环境的人类工效学 物理量测量仪器Ergonomics of the thermal environment.Instruments for measur...2022-04-01
  • BS ISO 19264-1-2021Photography. Archiving systems. Imaging systems quality analysis. Reflective originals2022-04-01
  • ISO 12017-2021Plastics — Poly(methyl methacrylate) double- and triple-skin sheets — Test methods2022-04-01
  • BS IEC 61691-6-2021Behavioural languages. VHDL Analog and Mixed-Signal Extensions2022-04-01
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  • BS EN IEC 61326-1-2021Electrical equipment for measurement, control and laboratory use. EMC requirements. Ge...2022-04-01
  • BS ISO 22085-2-2021Intelligent transport systems (ITS). Nomadic device service platform for micro mobility. ...2022-04-01
  • GA/T 1788.2-2021公安视频图像信息系统安全技术要求 第2部分:前端设备Security technical requirements for video a...2022-04-01
  • T/ZZB 2136-2021隔爆型双值电容单相异步电动机2022-04-01
  • ASTM E3159-2021Standard Guide for General Reliability2022-04-01
  • ASTM E609-2021Standard Terminology Relating to Pesticides2022-04-01
  • ASTM D1693-2021Standard Test Method for Environmental Stress-Cracking of Ethylene Plastics2022-04-01
  • GB/T 40116-2021箔片轴承 气体动压径向轴承性能 静态承载能力、摩擦因数和寿命测试Foil bearings.Performance of hy...2022-04-01
  • ASTM D7309-2021bStandard Test Method for Determining Flammability Characteristics of Plastics and Other Soli...2022-04-01
  • BS ISO 7752-5-2021Cranes. Control layout and characteristics. Bridge and gantry cranes2022-04-01
  • GB/T 40094.3-2021电子商务数据交易 第3部分:数据接口规范Electronic commerce data transaction.Part 3:Data interfa...2022-04-01
  • DIN 3017-4-2021Hose clamps - Part 4: Technical delivery conditions2022-04-01
  • ASTM D2457-2021Standard Test Method for Specular Gloss of Plastic Films and Solid Plastics2022-04-01
  • T/ZZB 2363-2021塔式起重机控制台2022-04-01
  • BS EN IEC 61290-1-3-2021Optical amplifiers. Test methods. Power and gain parameters. Optical power meter met...2022-04-01
  • BS EN 1264-4-2021Water based surface embedded heating and cooling systems. Installation2022-04-01