GB/T 42163.1-2022 Chinese PDF (GB/T42163.1-2022) GB/T 25820-2025 GB/T 44913-2024_Chinese: Filled monocrystal gemstones

GB/T 44913-2024_Chinese: Filled monocrystal gemstones - Identification and classification (Chinese: 充填处理单晶体宝石 鉴定与分类)

GB/T 45489-2025_Chinese: General technical specification of the track panel for medium and low speed maglev (Chinese: 中低速磁浮交通轨排通用技术条件)

GB 14925-2023_Chinese: Laboratory animal - Environment and housing facilities (Chinese: 实验动物 环境及设施)

English versions: YY/T 1940-2024

GB/T 42163.1-2022 Chinese PDF (GB/T42163.1-2022) GB/T 25820-2025 GB/T 44913-2024_Chinese: Filled monocrystal gemstonesGB T 42163. 1 2022_Chinese: Monomer casting polyamide pulleys Part 1: Elevator pulleys (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 42163. 1 2022