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  • DB33/T 2341-2021干硬性水泥混凝土預(yù)制砌塊抗壓強度試驗規(guī)程Sepcification for compressive strength test of dry h...2022-04-01
  • ASTM E2866-2021Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Methylphosphon...2022-04-01
  • GB/T 40233-2021熱環(huán)境的人類工效學 物理量測量儀器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
  • DIN EN ISO 20743-2021Textiles - Determination of antibacterial activity of textile products (ISO 20743:2021)...2022-04-01
  • IEC 60601-2-63-2012+Amd 1-2017+Amd 2-2021Medical electrical equipment - Part 2-63- Particular requirements f...2022-04-01
  • 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公安視頻圖像信息系統(tǒng)安全技術(shù)要求 第2部分:前端設(shè)備Security technical requirements for video a...2022-04-01
  • T/ZZB 2136-2021隔爆型雙值電容單相異步電動機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箔片軸承 氣體動壓徑向軸承性能 靜態(tài)承載能力、摩擦因數(shù)和壽命測試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電子商務(wù)數(shù)據(jù)交易 第3部分:數(shù)據(jù)接口規(guī)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塔式起重機控制臺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