GB/T 25936.1-2024 Chinese PDF (GB/T25936.1-2024) GB/T 30785-2025 GB/T 28629-2024_Chinese: Methods for chemical

GB/T 28629-2024_Chinese: Methods for chemical analysis of free silicon dioxide in cement clinker (Chinese: 水泥熟料中游离二氧化硅化学分析方法)

GB/T 45433-2025_Chinese: Forensic sciences - Forged video and image of a person - Explainable feature set for examination (Chinese: 法庭科学 伪造人像 可解释性检验特征集)

GB/T 44935-2024_Chinese: Nanotechnologies - Measurement of the number of layers of MoS2 flakes - Raman spectroscopy method (Chinese: 纳米技术 二硫化钼薄片的层数测量 拉曼光谱法)

GB/T 37820

17-2023_Chinese: Internal combustion engines - Piston rings - Part 17: Coil-spring-loaded oil control rings made of steel (Chinese: 内燃机 活塞环 第17部分：钢质螺旋撑簧油环)

GB/T 25936.1-2024 Chinese PDF (GB/T25936.1-2024) GB/T 30785-2025 GB/T 28629-2024_Chinese: Methods for chemicalGB T 25936. 1 2024_Chinese: Rubber and plastics size reduction machines Part 1: Safety requirements for blade granulators (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 25936. 1 2024