• ISO 19426-7-2021矿井结构 第7部分:钢丝绳导轨Structures for mine shafts — Part 7: Rope guides2022-04-01
  • GB/T 40130-2021煤矿专门水文地质勘查规范Specifications for special hydrogeological exploration in coal mines...2022-04-01
  • T/ZZB 2315-2021虱螨脲原药2022-04-01
  • ASTM C822-2021Standard Terminology Relating to Concrete Pipe and Related Products2022-04-01
  • VDI/bS 2552 Blatt 11.5-2021Building information modeling - Exchange requirements - Elevator technology2022-04-01
  • DIN EN ISO 8130-5-2021Coating powders - Part 5: Determination of flow properties of a powder/air mixture (IS...2022-04-01
  • BS ISO 13131-2021Health informatics. Telehealth services. Quality planning guidelines2022-04-01
  • ASTM D8411-2021橡胶合成材料的标准试验方法 橡胶中2-巯基苯并噻唑(MBT)的测定Standard Test Method for Rubber Com...2022-04-01
  • BS EN ISO 787-2-2021General methods of test for pigments and extenders. Determination of matter volatile at ...2022-04-01
  • IEC 63002-2021Interoperability specifications and communication method for external power supplies used with...2022-04-01
  • ISO 37002-2021举报管理系统 指南Whistleblowing management systems — Guidelines2022-04-01
  • BS ISO 16075-3-2021Guidelines for treated wastewater use for irrigation projects. Components of a reuse proj...2022-04-01
  • ASTM D445-2021e1Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculat...2022-04-01
  • NF E29-591-8-2021Copper and copper alloys - Plumbing fittings - Part 8 : press fittings for use with plastic...2022-04-01
  • DIN EN ISO 16929-2021Plastics - Determination of the degree of disintegration of plastic materials under def...2022-04-01
  • VDI-MT 2871 Blatt 2-2021Lean production systems - Lean leadership - List of methods2022-04-01
  • ASTM D2997-2021Standard Specification for Centrifugally Cast “Fiberglass” (Glass-Fiber-Reinforced Thermose...2022-04-01
  • DIN CEN/TS 17631-2021Personal identification - Biometric group access control; English version CEN/TS 17631:...2022-04-01
  • VDI/VDE 2631 Blatt 2-2021Form measurement - Determination of the deviation by sensor technology and signal t...2022-04-01
  • ASTM E543-2021Standard Specification for Agencies Performing Nondestructive Testing2022-04-01
  • ISO 37167-2021智能社区基础设施 通过缓慢驾驶来节约能源运行的智能交通Smart community infrastructures — Smart...2022-04-01
  • HG/T 20236-2021化工设备安装工程施工质量验收标准2022-04-01
  • PD IEC/TR 63226-2021Managing fire risk related to photovoltaic (PV) systems on buildings2022-04-01
  • NF X10-971-2021Hydrometry - Acoustic Doppler profiler - Method and application for measurement of flow in op...2022-04-01