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  • BS ISO/IEC/IEEE 24774-2021Systems and software engineering. Life cycle management. Specification for process...2022-03-30
  • T/ZZB 2220-2021城市自行車用電子智能鎖2022-03-30
  • ASTM C595/C595M-2021Standard Specification for Blended Hydraulic Cements2022-03-30
  • ASTM F3264-2021Standard Specification for Normal Category Aeroplanes Certification2022-03-30
  • BS ISO/IEC 21481-2021Information technology. Telecommunications and information exchange between systems. Ne...2022-03-30
  • DB31/T 1319-2021雞尸體剖檢技術規(guī)范2022-03-30
  • ABNT NBR ISO 21138-1-2021Plastics piping systems for non-pressure underground drainage and sewerage - Struct...2022-03-30
  • GB/T 40073-2021潛水器金屬耐壓殼外壓強度試驗方法External pressure strength test procedure for metal pressure ...2022-03-30
  • BS EN ISO 10140-5-2021Acoustics. Laboratory measurement of sound insulation of building elements. Requiremen...2022-03-30
  • GB/T 21017-2021玉米干燥技術規(guī)范Technical specifications for maize drying2022-03-30
  • JT/T 211-2021氣升式吸泥器作業(yè)要求Operating requirements for air lifting mud pump2022-03-30
  • DIN EN ISO 1463-2021Metallic and oxide coatings - Measurement of coating thickness - Microscopical method (I...2022-03-30
  • NF EN 303276-2021Maritime Broadband Radiolink operating within the bands 5 852 MHz to 5 872 MHz and/or 5 880...2022-03-30
  • BS ISO 8840-2021Refractory materials. Determination of bulk density of granular materials (grain density)2022-03-30
  • ISO 17225-5-2021Solid biofuels — Fuel specifications and classes — Part 5: Graded firewood2022-03-30
  • DIN EN 12082-2021Railway applications - Axleboxes - Performance testing; German version EN 12082:2017+A1:202...2022-03-30
  • BS IEC 61452-2021Nuclear instrumentation. Measurement of activity or emission rate of gamma-ray emitting rad...2022-03-30
  • PD ISO/TR 21934-1-2021Road vehicles. Prospective safety performance assessment of pre-crash technology by vi...2022-03-30
  • ISO 23886-2021航空航天 自鎖螺紋環(huán) 扭矩和預緊力的試驗方法Aerospace — Collar, threaded, self-locking — Tes...2022-03-30
  • ISO/TS 23105-2021生物技術 生物庫 研究和開發(fā)用植物生物材料的生物庫要求Biotechnology — Biobanking — Requirem...2022-03-29
  • ISO 21795-2-2021礦山封閉和復墾規(guī)劃 第2部分:指南Mine closure and reclamation planning — Part 2: Guidance...2022-03-29
  • ISO 19050-2021Rubber, raw, vulcanized — Determination of metal content by ICP-OES2022-03-29
  • ISO 24459-2021用L -吸收邊光譜法測定核燃料循環(huán)樣品中的鈾含量Determination of uranium content in samples comin...2022-03-29