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  • DB33/T 2337-2021大口黑鲈池塘内循环流水养殖技术规范Technical specification of in-pond raceway aquaculture sys...2022-04-06
  • BS ISO 23157-2021Determination of the silanol group content on the surface of fumed silica. Reaction gas chr...2022-04-06
  • ISO 26143-2021Space data and information transfer systems — Space link extension (SLE) — Return operationa...2022-04-06
  • ASTM F3158-2021Standard Practice for Patron Transportation Conveyors Used with a Water Related Amusement Rid...2022-04-06
  • DIN EN 319401-2021Electronic Signatures and Infrastructures (ESI) - General Policy Requirements for Trust Se...2022-04-06
  • AIA/NAS NAS4006-2021Aluminum Coating (Rev 7)2022-04-06
  • GB/T 40241-2021户外重组竹Bamboo scrimber outdoor use2022-04-06
  • FZ/T 63013-2021涤纶长丝织带2022-04-06
  • BS ISO 17889-1-2021Ceramic tiling systems. Sustainability for ceramic tiles and installation materials. Spec...2022-04-06
  • ISO 19980-2021Ophthalmic instruments — Corneal topographers2022-04-06
  • DIN EN ISO 80601-2-67-2021Medical electrical equipment - Part 2-67: Particular requirements for basic safety...2022-04-06
  • DIN EN IEC 60565-1-2021Underwater acoustics - Hydrophones - Calibration of hydrophones - Part 1: Procedures ...2022-04-06
  • QB/T 5574-2021绿色设计产品评价技术规范 毛皮Specification for green-design product assessment. Fur...2022-04-06
  • ISO 18447-2021茶 红茶中茶黄素的测定 高效液相色谱法Tea — Determination of theaflavins in black tea — Meth...2022-04-06
  • JIS C9613-2021Hairdryers2022-04-06
  • ABNT NBR 16978-4-2021Deflagration preventing systems Part 4: Suppression - Requirements2022-04-06
  • T/ZZB 2577-2021热双金属组元合金带材Thermostat component alloys strip2022-04-06
  • ASTM E329-2021Standard Specification for Agencies Engaged in Construction Inspection, Testing, or Special In...2022-04-06
  • ISO/TS 22393-2021安全性和恢复力 社区恢复力 恢复和更新规划指南Security and resilience — Community resilien...2022-04-06
  • BS ISO 23345-2021Jewellery and precious metals. Non destructive precious metal fineness confirmation by ED-X...2022-04-06
  • ABNT NBR 9683-2021Melt adhesives and sealants - Determination of relative density2022-04-06
  • DIN EN ISO 22232-1-2021Non-destructive testing - Characterization and verification of ultrasonic test equipm...2022-04-06
  • GB/T 14229-2021齿轮接触疲劳强度试验方法Test method of surface contact strength for gear load capacity...2022-04-06