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GB/T 21413
GB/T 45312-2025_Chinese: Intelligent and connected vehicles - Operational design condition for automated driving system (Chinese: 智能网联汽车 自动驾驶系统设计运行条件)
GB/T 45331-2025_Chinese: ePTFE membrane for reinforcement of proton exchange membrane (Chinese: 质子交换膜增强用聚四氟乙烯膜)
English versions: GB/T 19598-2025
GB/T 21649.1-2024 Chinese PDF (GB/T21649.1-2024) GB 15740-2024 GB/T 21413GB T 21649. 1 2024_Chinese: Particle size analysis Image analysis methods Part 1: Static image analysis methods (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21649. 1 2024
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