GB/T 7939.1-2024 Chinese PDF (GB/T7939.1-2024) GB/T 45338-2025 1-2023_Chinese: Test conditions for numerically

1-2023_Chinese: Test conditions for numerically controlled turning machines and turning centres - Part 1: Geometric tests for machines with horizontal workholding spindle (Chinese: 数控车床和车削中心检验条件 第1部分：卧式机床几何精度检验)

English versions: GB/T 45120-2024

GB/T 5856-2024_Chinese: Wood based panel machinery - General specifications of the hot press (Chinese: 人造板机械 热压机通用技术条件)

GB/T 24601-2024_Chinese: Tilt and turn hardware system for building windows (Chinese: 建筑窗用内平开下悬五金系统)

English versions: GB/T 16477

GB/T 7939.1-2024 Chinese PDF (GB/T7939.1-2024) GB/T 45338-2025 1-2023_Chinese: Test conditions for numericallyGB T 7939. 1 2024_Chinese: Connections for hydraulic fluid power Test methods Part 1: Connectors (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 7939. 1 2024