GB/T 45520-2025 Chinese PDF (GB /T45520-2025) GB/T 21551.5-2024 endurance and mechanical test methods

endurance and mechanical test methods - Glass strength and reliability (Chinese: 液晶显示器件 第10-3部分：环境、耐久性和机械试验方法 玻璃强度和可靠性)

GB/T 45333-2025_Chinese: Diamond-like carbon films - Determination of friction and wear characteristics of diamond-like carbon films by ball-on-disc method (Chinese: 类金刚石薄膜 球盘法测试类金刚石薄膜的摩擦磨损性能)

1-2024_Chinese: Grain and oil storage - Monitoring and control system of stored-grain condition - Part 1: General rule (Chinese: 粮油储藏 粮情测控系统 第1部分：通则)

GB/T 45386

GB/T 45520-2025 Chinese PDF (GB /T45520-2025) GB/T 21551.5-2024 endurance and mechanical test methodsGB T 45520 2025_Chinese: Textiles Determination of 1 vinylimidazole and 2 methylimidazole (Chinese: 1 2 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45520 2025