GB/T 29077-2024 Chinese PDF (GB/T29077-2024) GB/T 45574-2025 5-2025_Chinese: Uncut finished spectacle lenses

5-2025_Chinese: Uncut finished spectacle lenses - Part 5: Abrasion-resistant of surfaces test methods (Chinese: 眼镜镜片 第5部分：表面耐磨试验方法)

4-2023_Chinese: Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers (Chinese: 轨道交通 机车车辆电气设备 第4部分：电工器件 交流断路器规则)

English versions: GB/T 13460-2025

GB/T 15604-2024_Chinese: Terminology for dust explosion prevention and protection (Chinese: 粉尘防爆术语)

GB/T 29077-2024 Chinese PDF (GB/T29077-2024) GB/T 45574-2025 5-2025_Chinese: Uncut finished spectacle lensesGB T 29077 2024_Chinese: Launch vehicle to spacecraft flight environments telemetry data processing requirement (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29077 2024