GB/T 7408.1-2023 Chinese PDF (GB/T7408.1-2023) GB/T 45444-2025 English versions: GB/T 6556-2024

English versions: GB/T 6556-2024

GB/T 19405

3-2025_Chinese: Information technology - Virtual reality content representation - Part 3: Audio (Chinese: 信息技术 虚拟现实内容表达 第3部分: 音频)

GB/T 45524-2025_Chinese: Public security - Flammable and explosive gas detection and alarm device (Chinese: 公共安全 易燃易爆气体探测报警装置)

YY/T 1940-2024_Chinese: Medical nickel titanium powders for additive manufacturing (Chinese: 用于增材制造的医用镍钛合金粉末)

GB/T 7408.1-2023 Chinese PDF (GB/T7408.1-2023) GB/T 45444-2025 English versions: GB/T 6556-2024GB T 7408. 1 2023_Chinese: Date and time Representations for information interchange Part 1: Basic rules (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 7408. 1 2023