GB/T 22513-2023 Chinese PDF (GB/T22513-2023) GB/T 19544-2024 GB/T 45636-2025_Chinese: Technical specifications for

GB/T 45636-2025_Chinese: Technical specifications for the prevention and control of contact-transmitted infectious diseases at entry-exit points (Chinese: 进境出境经接触传播传染病防控技术规范)

English versions: GB/T 21121-2024

GB/T 44942-2024_Chinese: Footwear - Test method for insoles and insocks - Dimensional change after cycle of wetting and drying (Chinese: 鞋类 内底和内垫试验方法 干湿循环尺寸变化率)

3-2025_Chinese: Remote handling devices for radioactive materials - Part 3: Electrical master-slave manipulators (Chinese: 放射性物质远程操作装置 第3部分：电随动主从机械手)

GB/T 22513-2023 Chinese PDF (GB/T22513-2023) GB/T 19544-2024 GB/T 45636-2025_Chinese: Technical specifications forGB T 22513 2023_Chinese: Petroleum and natural gas drilling and production equipment Wellhead and tree equipment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22513 2023