GB/T 30663-2024 Chinese PDF (GB/T30663-2024) GB/T 19960-2024 English versions: GB 20464-2024

English versions: GB 20464-2024

2-2025_Chinese: IPv4/IPv6 network security protection technical specifications - Part 2: Mobile communication network (Chinese: IPv4/IPv6网络安全防护技术规范 第2部分：移动通信网)

2-2024_Chinese: Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 2: Determining the inclusion ratings of steels by automatic image analysis and stereology (Chinese: 应用自动图像分析测定钢和其他金属中金相组织、夹杂物含量和级别的标准试验方法 第2部分：钢中夹杂物级别的图像分析与体视学测定)

English versions: GB/T 45583-2025

GB/T 2812-2024_Chinese: Head protection - General test methods (Chinese: 头部防护 通用测试方法)

GB/T 30663-2024 Chinese PDF (GB/T30663-2024) GB/T 19960-2024 English versions: GB 20464-2024GB T 30663 2024_Chinese: Specification for service of personnel assessment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30663 2024