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  • ASTM A501/A501M-2021Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing2022-04-01
  • IEC 62271-101-2021High-voltage switchgear and controlgear - Part 101- Synthetic testing2022-04-01
  • T/ZZB 2313-2021貯壓式滅火器閥門2022-04-01
  • GB/T 40105-2021跨境電子商務(wù)交易要求Requirements for cross-border electronic commerce transaction2022-04-01
  • HG/T 5957-2021廢磷酸回收制磷酸二氫銨2022-04-01
  • JT/T 1383-2021空氣潛水系統(tǒng)通用要求和周期性檢驗General requirements and periodic examination,testing and cert...2022-04-01
  • PD IEC/PAS 63267-3-30-2021Fibre optic interconnecting devices and passive components. Fibre optic connector ...2022-04-01
  • GB/T 18216.1-2021交流1000V和直流1500V及以下低壓配電系統(tǒng)電氣安全 防護(hù)措施的試驗、測量或監(jiān)控設(shè)備 第1部分:通用要...2022-04-01
  • T/ZZB 2563-2021多割炬可調(diào)式數(shù)控切割機(jī)Multi-torch adjustable CNC cutting machine2022-04-01
  • NF C46-050-2-4-2021ctrical equipment for measurement, control and laboratory use - EMC requirements - Part 2...2022-04-01
  • GB/T 40097-2021能源路由器功能規(guī)范和技術(shù)要求Functional specifications and technical requirements of energy ro...2022-04-01
  • ABNT NBR ISO 6533-2021Forestry machinery - Portable chain-saw front hand-guard - Dimensions and clearances2022-04-01
  • JIS C60068-3-3-2021Environmental testing -- Part 3-3: Supporting documentation and guidance -- Seismic test ...2022-04-01
  • ASTM A1023/A1023M-2021Standard Specification for Carbon Steel Wire Ropes for General Purposes2022-04-01
  • ASTM E2371-2021Standard Test Method for Analysis of Titanium and Titanium Alloys by Direct Current Plasma an...2022-04-01
  • ASTM D5633-2021Standard Practice for Sampling with a Scoop2022-04-01
  • ASTM E1210-2021Standard Practice for Fluorescent Liquid Penetrant Testing Using the Hydrophilic Post-Emulsif...2022-04-01
  • DIN CEN/TS 17638-2021Stationary source emissions - Manual method for the determination of the mass concentra...2022-04-01
  • ISO 2889-2021Sampling airborne radioactive materials from the stacks and ducts of nuclear facilities2022-04-01
  • DB33/T 975-2021蓄能自發(fā)光交通標(biāo)識設(shè)置技術(shù)規(guī)范Technical specification for setting of energy storage self lumi...2022-04-01
  • BS EN 60335-2-21-2021Household and similar electrical appliances. Safety. Particular requirements for storag...2022-04-01
  • BS ISO 11992-3-2021Road vehicles. Interchange of digital information on electrical connections between towin...2022-04-01
  • ABNT NBR 16984-2021Round steel wires for cold heading of screws, nuts, rivets, and similar components2022-04-01
  • ISO 788-2021Ultramarine pigments2022-04-01