GB/T 45253-2025 Chinese PDF (GB /T45253-2025) GB/T 44993-2024 GB/T 2684-2025_Chinese: Test methods for

GB/T 2684-2025_Chinese: Test methods for foundry sands and molding mixtures (Chinese: 铸造用砂及混合料试验方法)

16-2025_Chinese: Information technology - Extensible biometric data interchange formats - Part 16: Full body image data (Chinese: 信息技术 可扩展的生物特征识别数据交换格式 第16部分:全身图像数据)

English versions: GB/T 18655-2025

English versions: GB/T 12385-2025

unvulcanized - Determinations using a shearing-disc viscometer - Part 2: Determinations of pre-vulcanization characteristics (Chinese: 未硫化橡胶 用圆盘剪切黏度计进行测定 第2部分：初期硫化特性的测定)

GB/T 45253-2025 Chinese PDF (GB /T45253-2025) GB/T 44993-2024 GB/T 2684-2025_Chinese: Test methods forGB T 45253 2025_Chinese: Internet psychological services General specification for evaluation services of psychology (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45253 2025