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  • ISO 24165-1-2021数字令牌标识符(DTI) 注册、分配和结构 第1部分:注册和分配方法Digital token identifier (DTI)...2022-04-06
  • VDI 4465-2021Modelling and simulation - Building the model2022-04-06
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  • GB/T 40223-2021植物代谢产物游离棉酚测定 酶联免疫吸附法Determination of free gossypol of plant metabolites. E...2022-04-06
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  • BS EN 1254-3-2021Copper and copper alloys. Plumbing fittings. Compression fittings for use with plastics and...2022-04-06
  • BS EN ISO 15663-2021Petroleum, petrochemical and natural gas industries. Life cycle costing2022-04-06
  • ISO 3739-2-2021Industrial tyres and rims — Part 2: Pneumatic tyres (metric series) on 5 degrees tapered or ...2022-04-06
  • ISO 15245-1-2021Gas cylinders — Parallel threads for connection of valves to gas cylinders — Part 1: Speci...2022-04-06
  • ASTM D7815-2021Standard Practice for Handling, Transportation, and Storage of Halon 1211, Bromochlorodifluor...2022-04-06
  • GB/T 40121-2021技术产品文件 产品残余应力符号表示法Technical product documentation. Representation of product...2022-04-06
  • GB/T 40088-2021村务公开管理规范Management specification for transparency in village affairs2022-04-06
  • ASTM E2425-2021Standard Test Method for Loss Modulus Conformance of Dynamic Mechanical Analyzers2022-04-06
  • ISO/IEC 19075-8-2021Information technology — Guidance for the use of database language SQL — Part 8: Multi...2022-04-06
  • ASTM F3454-2021飞机警报方法的标准实施规范Standard Practice for Alerting Methods in Aircraft2022-04-06
  • BS ISO 22548-2021Ships and marine technology. Performance test procedures for LNG fuel gas supply systems (F...2022-04-06
  • JIS A1192-2021Test method for tensile properties of fiber reinforced polymer (FRP) bars and grids for reinfo...2022-04-06
  • T/ZZB 2346-2021机动车燃油加油机双流量电磁阀2022-04-06
  • ISO 5116-2-2021提高财务和业务报告的透明度 协调主题 第2部分:数据点建模指南Improving transparency in financi...2022-04-06
  • JJF 1915-2021倾角仪校准规范Calibration Specification for Clinometers2022-04-06
  • IEC/TR 62908-1-3-2021Touch and interactive displays - Part 1-3- General introduction of pen touch technology2022-04-06