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  • ISO 20596-2-2021 水质--水中循环挥发性甲基硅氧烷的测定--第2部分:气相色谱-质谱法液-液萃取法 Water quality &mda...2024-02-24
  • SAE AMS4107G-2018 Aluminum Alloy Die Forgings (7050-T74) Solution Heat Treated And Overaged (Uns A97050)2024-02-24
  • JT/T 1269-2019 公路桥梁板式橡胶伸缩装置 Plate type rubber expansion device for highway bridge2024-02-24
  • JB/T 5298-2016 管线用钢制平板闸阀 Steel slab-gate valves in pipeline2024-02-24
  • KS A ISO 8015-2018 Geometrical product specifications(GPS) — Fundamentals — Concepts, principles and rule...2024-02-24
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  • PD ISO/IEC TS 17021-11-2018 Conformity assessment. Requirements for bodies providing audit and certificati...2024-02-24
  • PD CEN/TR 1295-4-2015 对各种负载条件下地下管道的结构设计 对设计的可靠性参数 Structural design of buried pipe...2024-02-24
  • QB/T 2096.1-2017 桌虎钳 通用技术条件 Clamp-on table vises-General technical requirements2024-02-24
  • NF EN 16603-35-01-2016 Space engineering - Liquid and electric propulsion for spacecraft2024-02-24
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  • JC/T 2540-2019 地坪材料术语和定义 Terms and definitions of flooring materials2024-02-24
  • QB/T 5278-2018 电热蚊香液用芯棒 The wick for electrothermal vaporizing liquid2024-02-24
  • NF ISO 3466-2016 机用铰刀。锥度1/50,带圆柱柄。 Machine taper pin reamers with parallel shanks...2024-02-24
  • SAE AMS2759/3J-2020 Heat Treatment Precipitation-Hardening Corrosion-Resistant, Maraging, And Secondary Har...2024-02-24
  • NAVY A-A-59940/2 VALID NOTICE 1-2018 Connectors, Fiber Optic, Single Fiber, Sc Type2024-02-24
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  • NF EN IEC 62714-4-2020 Engineering data exchange format for use in industrial automation systems engineerin...2024-02-24
  • JB/T 13247-2018 低压铸造机 能耗检测方法 Low pressure die-casting machines-The test method of energy consumpt...2024-02-24
  • JB/T 9904.3-2014 花键轴磨床 第3部分: 技术条件 Spline shaft grinding machines—Part 3: Specifications...2024-02-24