GB/T 4447-2025 Chinese PDF (GB /T4447-2025) GB/T 44940-2024 1-2024_Chinese: General technical requirements for

1-2024_Chinese: General technical requirements for agricultural internet of things - Part 1: Field planting (Chinese: 农业物联网通用技术要求 第1部分：大田种植)

3-2024_Chinese: Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors (Chinese: 低压电气装置 第5-54部分：电气设备的选择和安装 接地配置和保护导体)

GB/T 28807

10 MPa series - Part 1: General series (Chinese: 液压传动 10MPa系列单出杆缸的安装尺寸 第1部分：普通系列)

English versions: GB/T 31379

GB/T 4447-2025 Chinese PDF (GB /T4447-2025) GB/T 44940-2024 1-2024_Chinese: General technical requirements forGB T 4447 2025_Chinese: Ships and marine technology Sea going vessels Windlasses and anchor capstans (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4447 2025