GB/T 28799.4-2024 Chinese PDF (GB/T28799.4-2024) GB/T 45181-2024 1-2024_Chinese: Hydraulic fluid power -

1-2024_Chinese: Hydraulic fluid power - Test code for determination of noise level - Part 1: Hydraulic pumps (Chinese: 液压传动 噪声测定规范 第1部分：液压泵)

12-2024_Chinese: Liquid crystal display devices - Part 1-2: Terminology and symbols (Chinese: 液晶显示器件 第1-2部分：术语和符号)

GB/T 44958-2024_Chinese: Management specification for safety of chemical plant equipment (Chinese: 化工设备安全管理规范)

English versions: GB/T 8269

GB/T 28799.4-2024 Chinese PDF (GB/T28799.4-2024) GB/T 45181-2024 1-2024_Chinese: Hydraulic fluid power -GB T 28799. 4 2024_Chinese: Polyethylene of raised temperature resistance(PE RT) piping systems for hot and cold water installations Part 4: Valves (Chinese: PE RT 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28799. 4 2024