GB/T 18281.1-2024 Chinese PDF (GB /T18281.1-2024) GB/T 16262.2-2025 33-2024_Chinese: Specifications for optical fibre

33-2024_Chinese: Specifications for optical fibre test methods - Part 33: Measurement methods and test procedures for mechanical characteristics - Stress corrosion susceptibility (Chinese: 光纤试验方法规范 第33部分：机械性能的测量方法和试验程序 应力腐蚀敏感性参数)

English versions: GB 5768

5-2025_Chinese: National food safety standard - Determination of protein in food (Chinese: 食品安全国家标准 食品中蛋白质的测定)

GB/T 20717-2024_Chinese: Road vehicles - Connectors for the electrical connection of towing and towed vehicles (15-pole) - 15-pole connector for vehicles with 24 V nominal supply voltage (Chinese: 道路车辆 牵引车和挂车之间的电连接器（15 芯）24V15 芯型)

English versions: GB/T 11856

GB/T 18281.1-2024 Chinese PDF (GB /T18281.1-2024) GB/T 16262.2-2025 33-2024_Chinese: Specifications for optical fibreGB T 18281. 1 2024_Chinese: Sterilization of health care products Biological indicators Part 1: General requirements (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 18281. 1 2024