GB/T 38001.51-2024 Chinese PDF (GB/T38001.51-2024) GB/T 4214.21-2025 GB/T 45511-2025_Chinese: Industrial field communication

GB/T 45511-2025_Chinese: Industrial field communication quality inspection - General technical specifications (Chinese: 工业现场通信质量检测 通用技术规范)

English versions: GB/T 20972

23-2023_Chinese: Biological evaluation of medical devices - Part 23: Tests for irritation (Chinese: 医疗器械生物学评价 第23部分：刺激试验)

GB/T 44973-2024_Chinese: Requirements and evaluation specification for ice sport event (Chinese: 冰上运动赛事活动要求及评估规范)

English versions: GB 33955-2024

GB/T 38001.51-2024 Chinese PDF (GB/T38001.51-2024) GB/T 4214.21-2025 GB/T 45511-2025_Chinese: Industrial field communicationGB T 38001. 51 2024_Chinese: Flexible display devices Part 5 1: Measuring methods of optical performance (Chinese: 5 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 38001. 51 2024