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  • BS ISO 22685-2021Refractory products. Determination of compressive strength at elevated temperature2022-03-31
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  • GB/T 27926.8-2021金融服务 金融业通用报文方案 第8部分:ASN.1生成Financial services. Universal financial industr...2022-03-31
  • T/ZZB 2161-2021塑料机械用氮化单螺杆、机筒2022-03-31
  • ISO/IEC 21838-1-2021信息技术 上层知识本体(TLO) 第1部分:需求Information technology — Top-level ontologies...2022-03-31
  • JJF (浙) 1182-2021碳平衡法汽车燃料消耗量检测仪校准规范2022-03-31
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  • DIN EN 16907-7-2021Earthworks - Part 7: Hydraulic placement of extractive waste; German version EN 16907-7:2...2022-03-31
  • PD ISO/TR 22639-2021Space systems. Design guidelines for multi-geo spacecraft collocation2022-03-31
  • ASTM B221M-2021Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, a...2022-03-31
  • T/CECS 10151-2021中压转换开关电器及成套开关设备2022-03-31
  • ABNT NBR 16957-2021Fiber ropes — Care and maintenance, inspection and discard2022-03-31
  • ISO 7539-9-2021Corrosion of metals and alloys — Stress corrosion testing — Part 9: Preparation and use of ...2022-03-31
  • HG/T 5962-2021硅片切割废液处理处置方法2022-03-31
  • ISO 4524-3-2021Metallic coatings — Test methods for electrodeposited gold and gold alloy coatings — Part 3...2022-03-31
  • ISO 23962-2021中医药 炮制乌头Traditional Chinese medicine — Processed Aconitum carmichaelii lateral root...2022-03-31
  • DIN EN ISO 15245-1-2021Gas cylinders - Parallel threads for connection of valves to gas cylinders - Part 1: ...2022-03-31
  • IEC 62435-9-2021Electronic components - Long-term storage of electronic semiconductor devices - Part 9- Spec...2022-03-31
  • ISO/IEC 19075-7-2021Information technology — Guidance for the use of database language SQL — Part 7: Polym...2022-03-31
  • ASTM E2260-2021aStandard Guide for Repointing (Tuckpointing) Historic Masonry2022-03-31
  • T/ZZB 2325-2021循环再利用对苯二甲酸二甲酯2022-03-31