GB/T 45384-2025 Chinese PDF (GB /T45384-2025) GB/T 45159.1-2024 English versions: GB/T 21307-2025

English versions: GB/T 21307-2025

English versions: GB/T 45140-2025

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)

English versions: GB/T 45063-2024

English versions: GB/T 45397-2025

GB/T 45384-2025 Chinese PDF (GB /T45384-2025) GB/T 45159.1-2024 English versions: GB/T 21307-2025GB T 45384 2025_Chinese: Safety and control devices for gas burners and gas burning appliances Particular requirements Pneumatic gas air ratio pressure regulator (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45384 2025