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  • ETSI TS 136 141-2020 Lte; Evolved Universal Terrestrial Radio Access (E-Utra); Base Station (Bs) Conformanc...2023-07-23
  • ETSI TS 124 341/2-2018 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-07-23
  • ASTM D2230-2017 橡膠特性--未硫化橡膠化合物可擠壓性試驗方法 Standard Test Method for Rubber Property—Extruda...2023-07-23
  • HJ 852-2017 環(huán)境空氣 指示性毒殺芬的測定 氣相色譜-質(zhì)譜法 Ambient air-Determination of indicative toxaphene -G...2023-07-23
  • DIN ISO 13643-1-2018 Ships and marine technology - Manoeuvring of ships - Part 1: General concepts, quantit...2023-07-23
  • EN 9300-200-2018 Aerospace series. LOTAR. LOng Term Archiving and Retrieval of digital technical product do...2023-07-23
  • ETSI TS 124 161/2-2016 Universal Mobile Telecomunication System (Umts);Lte;Network-Based Ip Flow Mobility (...2023-07-23
  • ETSI TS 132 421/4-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-07-23
  • DB13/T 872-2007 苗木質(zhì)量分級 中國沙棘2023-07-23
  • ETSI TS 102 790-3-2013 Ims Network Testing (Int); Ims Specific Use Of Session Initiation Protocol (Sip) And...2023-07-23
  • DL/T 2139-2020 火力發(fā)電廠輔助設(shè)備可靠性評價規(guī)程 Reliability evaluation code for auxiliary equipment of therm...2023-07-23
  • DIN EN ISO 14245-2019 Gas cylinders - Specifications and testing of LPG cylinder valves - Self-closing (ISO...2023-07-23
  • GB/T 13626-2021 單一故障準則應(yīng)用于核電廠安全系統(tǒng) Application of the single-failure criterion for nuclear pow...2023-07-23
  • BS EN 60317-70-2017 Specifications For Particular Types Of Winding Wires. Polyester Glass-Fibre Wound? Fus...2023-07-23
  • GB/T 41962-2022 實驗室廢棄物存儲裝置技術(shù)規(guī)范 Technical specification of storage devices for laboratory waste...2023-07-23
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  • BS EN ISO 16530-1-2017 石油和天然氣工業(yè) 誠信守信 生命周期治理 Petroleum and natural gas industries. Well int...2023-07-23
  • CB/T 4412-2016 船舶電子設(shè)備用低頻變壓器 Low frequency transformer for ship electronic equipment2023-07-23
  • ASTM F3377-2020 Standard Terminology Relating to Commercial Spaceflight2023-07-23