GB/T 19812.7-2024 Chinese PDF (GB/T19812.7-2024) GB/T 19652-2023 3-2024_Chinese: Connections for hydraulic fluid

3-2024_Chinese: Connections for hydraulic fluid power - Metallic tube connections - Part 3: Face seal (Chinese: 液压传动连接 金属管接头 第3部分:端面密封)

2-2024_Chinese: Fire shutter assembly - Part 2: Motor for fire shutter assembly (Chinese: 防火卷帘 第2部分：防火卷帘用卷门机)

GB/T 44919-2024_Chinese: Micro-electromechanical systems(MEMS) technology - Bulge test method for measuring mechanical properties of thin films (Chinese: 微机电系统（MEMS）技术 薄膜力学性能的鼓胀试验方法)

English versions: GB/T 10810

English versions: GB/T 22939

GB/T 19812.7-2024 Chinese PDF (GB/T19812.7-2024) GB/T 19652-2023 3-2024_Chinese: Connections for hydraulic fluidGB T 19812. 7 2024_Chinese: Plastic equipment for water saving irrigation Part 7: Plastic valve for micro irrigation (Chinese: 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19812. 7 2024