GB/T 42208-2022 Chinese PDF (GB/T42208-2022) GB/T 45233-2025 GB 12664-2024_Chinese: General technical requirements

GB 12664-2024_Chinese: General technical requirements for portable X-ray security inspection equipment (Chinese: 便携式X射线安全检查设备技术规范)

8-2023_Chinese: Hand-held non-electric power tools - Safety requirements - Part 8: Sanders and polishers (Chinese: 手持式非电类动力工具 安全要求 第8部分：磨光机和抛光机)

English versions: GB/T 45286-2025

English versions: GB/T 32974-2024

GB/T 42208-2022 Chinese PDF (GB/T42208-2022) GB/T 45233-2025 GB 12664-2024_Chinese: General technical requirementsGB T 42208 2022_Chinese: Nanotechnologies Measurement of nanoparticle size in multiphase system Image method of transmission electron microscopy (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42208 2022