GB/T 23031.2-2023 Chinese PDF (GB/T23031.2-2023) GBZ37551.4-2025 GB/T 34750-2025_Chinese: Diagnostic techniques for

GB/T 34750-2025_Chinese: Diagnostic techniques for Glasser's disease (Chinese: 格拉瑟病诊断技术)

GB/T 45540-2025_Chinese: Greenhouse gas - Quantification method and requirements for carbon footprint of products - Man-made fibres (Chinese: 温室气体 产品碳足迹量化方法与要求 化学纤维)

English versions: GB/T 31902-2025

English versions: GB/T 15268-2024

GB/T 23031.2-2023 Chinese PDF (GB/T23031.2-2023) GBZ37551.4-2025 GB/T 34750-2025_Chinese: Diagnostic techniques forGB T 23031. 2 2023_Chinese: Industrial internet platform Application and implementation guide Part 2: Digitalized management (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23031. 2 2023