GB/T 28884-2024 Chinese PDF (GB/T28884-2024) YY/T 1941-2024 English versions: GB/T 45016-2024

English versions: GB/T 45016-2024

English versions: GB/T 44981-2024

2-2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels - Part 2: Pipes (Chinese: 燃气用埋地聚乙烯（PE）管道系统 第2部分：管材)

3-2024_Chinese: Liquid crystal display devices - Part 3: Liquid crystal display(LCD) cells - Sectional specification (Chinese: 液晶显示器件 第3部分：液晶显示屏 分规范)

GB/T 13930-2024_Chinese: Water ring vacuum pumps and compressors - Method for measurement of volume flow of gas (Chinese: 水环真空泵和水环压缩机 气量测定方法)

GB/T 28884-2024 Chinese PDF (GB/T28884-2024) YY/T 1941-2024 English versions: GB/T 45016-2024GB T 28884 2024_Chinese: Seamless steel tubes for large capacity gas cylinder (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28884 2024