GB/T 45520-2025 Chinese PDF (GB /T45520-2025) GB/T 21551.5-2024 GB/T 45205-2024_Chinese: Specification for fair

GB/T 45205-2024_Chinese: Specification for fair competition compliance management for undertakings (Chinese: 经营者公平竞争合规管理规范)

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)

GB/T 12412-2024_Chinese: Yak (Chinese: 牦牛绒)

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)

English versions: GB/T 45335-2025

GB/T 45520-2025 Chinese PDF (GB /T45520-2025) GB/T 21551.5-2024 GB/T 45205-2024_Chinese: Specification for fairGB 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