GB/T 30663-2024 Chinese PDF (GB/T30663-2024) GB/T 19960-2024 English versions: GB/T 45583-2025

English versions: GB/T 45583-2025

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)

210-2024_Chinese: Ergonomics of human-system interaction - Part 210: Human-centred design for interactive systems (Chinese: 人-系统交互工效学 第210部分：以人为中心的交互系统设计)

GB/T 45020-2024_Chinese: Methods for chemical analysis of niobium hafnium alloys - Determination of trace impurity elements content - Inductively coupled plasma mass spectrometry (Chinese: 铌铪合金化学分析方法 痕量杂质元素的测定 电感耦合等离子体质谱法)

English versions: GB/T 44835-2024

GB/T 30663-2024 Chinese PDF (GB/T30663-2024) GB/T 19960-2024 English versions: GB/T 45583-2025GB 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