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  • BS EN 60079-2-2014 爆炸性氣體環(huán)境用電氣設(shè)備 壓力封裝型"p" Explosive atmospheres. Equipment protection by pre...2023-08-12
  • DB13/T 1526-2012 林木種子簡易貯藏技術(shù)規(guī)程2023-08-12
  • BS ISO 21479-2019 Soil quality. Determination of the effects of pollutants on soil flora. Leaf fatty acid ...2023-08-12
  • GB/T 11638-2020 乙炔氣瓶 Acetylene cylinders2023-08-12
  • ETSI TS 122 261/1-2018 5G; Service requirements for next generation new services and markets (3GPP TS 22.26...2023-08-12
  • DB44/T 565-2008 城市森林生態(tài)效益監(jiān)測技術(shù)規(guī)范 Technical Regulations for Monitoring Ecologica-Benefits of Urba...2023-08-12
  • GA/T 70-2014 安全防范工程建設(shè)與維護(hù)保養(yǎng)費(fèi)用預(yù)算編制辦法 Compiling methods of expense budget for security eng...2023-08-12
  • ASTM E2256-2019 石油行業(yè)用新的、經(jīng)修理或改造的地上儲油罐底部指南 Standard Guide for Hydraulic Integrity of N...2023-08-12
  • ASTM D5621-2019 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids2023-08-12
  • ETSI TS 128 621-2013 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management; ...2023-08-12
  • GB/T 34619-2017 容積式制冷劑壓縮機(jī)容積流量試驗(yàn)方法 Test method for volumetric flow of positive displacement ...2023-08-12
  • DIN 55982-2018 Pigments - Determination of lightening power of white pigments according to the paste method2023-08-12
  • AS 60601.2.5-2018 Medical electrical equipment Part 2.5: Particular requirements for the basic safety and e...2023-08-12
  • IEC 60793-1-61-2017 光纖--第1-61部分:測量方法和試驗(yàn)規(guī)程--偏振串音 Optical fibres – Part 1-61: Measureme...2023-08-12
  • BS ISO 13909-5-2016 硬煤和焦炭 機(jī)械采樣 第5部分:焦碳 活動流取樣 Hard coal and coke. Mechanical sampling. Cok...2023-08-12
  • BS EN 2221-2017 Aerospace series. Steel FE-PL31. Hardened and tempered. Hollow bars. 3,5 mm ≤ a ≤ 55 mm...2023-08-12
  • ETSI TS 128 658/5-2019 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management...2023-08-12
  • GB/T 34981.2-2017 機(jī)構(gòu)編制統(tǒng)計及實(shí)名制管理系統(tǒng)數(shù)據(jù)規(guī)范 第2部分:代碼集 Specification of data for organization ...2023-08-12
  • GB/T 36285-2018 火力發(fā)電廠汽輪機(jī)電液控制系統(tǒng)技術(shù)條件 Specification of steam turbine electro-hydraulic contro...2023-08-12
  • GB/T 33981-2017 高壓交流斷路器聲壓級測量的標(biāo)準(zhǔn)規(guī)程 Standard practice for the measurement of sound pressure l...2023-08-12
  • GB/T 40827-2021 枇杷采后處理技術(shù)規(guī)程 Code of practice of postharvest handling technology of loquat fruit...2023-08-12
  • DZ/T 0332-2020 碳酸鹽巖油氣藏縫洞體雕刻法資源儲量估算規(guī)范 Regulation of fracture-cavity space delineation ca...2023-08-12
  • HG/T 3659-2020 快速粘接輸送帶用氯丁膠粘劑 Polychloroprene rubber based adhesive for quick bonding conveyor b...2023-08-12
  • BS EN ISO 3740-2019 聲學(xué) 噪聲源聲功率級的測定 基本標(biāo)準(zhǔn)使用導(dǎo)則 替代BS 4196-0:1981 Acoustics. Determination o...2023-08-12