GB/T 7247.1-2024 Chinese PDF (GB/T7247.1-2024) GB/T 18262-2024 2-2024_Chinese: Non-destructive testing - Penetrant

2-2024_Chinese: Non-destructive testing - Penetrant testing - Part 2: Testing of penetrang materials (Chinese: 无损检测 渗透检测 第2部分：渗透材料的检验)

English versions: GB/T 17903

45-2024_Chinese: Electrostatics - Part 4-5: Standard test methods for specific applications - Methods for characterizing the electrostatic protection of footwear and flooring in combination with a person (Chinese: 静电学 第4-5部分：特定应用中的标准试验方法 人/鞋/地系统的静电防护特性表征方法)

English versions: GB/T 45502-2025

GB/T 7247.1-2024 Chinese PDF (GB/T7247.1-2024) GB/T 18262-2024 2-2024_Chinese: Non-destructive testing - PenetrantGB T 7247. 1 2024_Chinese: Safety of laser products Part 1: Equipment classification and requirements (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7247. 1 2024