GB/T 19520.20-2023 Chinese PDF (GB/T19520.20-2023) GB/T 44915-2024 GB/T 45280-2025_Chinese: Artificial intelligence -

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 45441-2025_Chinese: Greenhouse gases - Quantification methods and requirements of carbon footprint of products - Plastic products (Chinese: 温室气体 产品碳足迹量化方法与要求 塑料制品)

English versions: GB/T 16457

English versions: GB/T 13523-2024

English versions: GB/T 19228

GB/T 19520.20-2023 Chinese PDF (GB/T19520.20-2023) GB/T 44915-2024 GB/T 45280-2025_Chinese: Artificial intelligence -GB 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