GB/T 13511.4-2025 Chinese PDF (GB /T13511.4-2025) GB 28050-2025 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)

GB/T 10250-2025_Chinese: Electrical and electronic installations in ships - Electromagnetic compatibility(EMC) - Ships with a metallic hull (Chinese: 船舶电气与电子设备 电磁兼容性 金属船体船舶)

English versions: GB/T 12643-2025

English versions: GB 45185-2024

GB/T 11730-2025_Chinese: Rural domestic water quantity (Chinese: 农村生活饮用水量)

GB/T 13511.4-2025 Chinese PDF (GB /T13511.4-2025) GB 28050-2025 33-2024_Chinese: Specifications for optical fibreGB T 13511. 4 2025_Chinese: Assembled spectacles Part 4: Multifocal and power variation near vision spectacles (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13511. 4 2025