GB/T 24966-2023 Chinese PDF (GB/T24966-2023) GB/T 33290.22-2024 GB/T 20424-2025_Chinese: The specification for

GB/T 20424-2025_Chinese: The specification for limit on harmful element content of the heavy nonferrous metal concentrates products (Chinese: 重有色金属精矿产品中有害元素的限量规范)

chlorine and bromine in polymer and electronics by combustion-ion chromatography (C-IC) (Chinese: 电子电气产品中某些物质的测定 第3-2部分：燃烧-离子色谱法（C-IC）筛选聚合物和电子件中的氟、氯和溴)

3-2022_Chinese: Automatic electrical controls - Part 3: Particular requirements for thermal motor protectors (Chinese: 电自动控制器 第3部分：电动机热保护器的特殊要求)

English versions: GB/T 16462

GBZ45378-2025_Chinese: Non-destructive testing - Methods for absolute calibration of acoustic emission transducers by the reciprocity technique (Chinese: 无损检测 基于互易性技术的声发射传感器绝对校准方法)

GB/T 24966-2023 Chinese PDF (GB/T24966-2023) GB/T 33290.22-2024 GB/T 20424-2025_Chinese: The specification forGB T 24966 2023_Chinese: Grating vehicle detector (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24966 2023