GB/T 15342-2023 Chinese PDF (GB/T15342-2023) GB/T 45120-2024 GBZ45378-2025_Chinese: Non-destructive testing - Methods

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)

English versions: GB/T 41869

7-2024_Chinese: Cord extension socket-outlets for household and similar purposes - Safety technical specification (Chinese: 家用和类似用途延长线插座 安全技术规范)

English versions: GB/T 29631-2025

64-2025_Chinese: Liquid crystal display devices - Part 6-4: Test methods - Liquid crystal displaymodules with dynamic backlight units (Chinese: 液晶显示器件 第6-4 部分：测试方法 带动态背光的液晶显示模块)

GB/T 15342-2023 Chinese PDF (GB/T15342-2023) GB/T 45120-2024 GBZ45378-2025_Chinese: Non-destructive testing - MethodsGB T 15342 2023_Chinese: Talc powder (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15342 2023