GB/T 19520.20-2023 Chinese PDF (GB/T19520.20-2023) GB/T 44915-2024 English versions: GB/T 14601-2025

English versions: GB/T 14601-2025

English versions: GB/T 13523-2024

GB/T 45280-2025_Chinese: Artificial intelligence - Unified interfaces for heterogeneous artificial intelligence accelerating units (Chinese: 人工智能 异构人工智能加速器统一接口)

GB/T 30843

GB 27887-2024_Chinese: Child restraint systems for power-driven vehicles (Chinese: 机动车儿童乘员用约束系统)

GB/T 19520.20-2023 Chinese PDF (GB/T19520.20-2023) GB/T 44915-2024 English versions: GB/T 14601-2025GB T 19520. 20 2023_Chinese: Mechanical structures for electrical and electronic equipment Dimensions of mechanical structures of the 482. 6 mm (19 in) series Part 3 108: Dimensions of R type subracks and plug in units (Chinese: 482. 6 mm(19 in) 3 108R) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19520. 20 2023