GB/T 15967-2024 Chinese PDF (GB/T15967-2024) GB/T 15843.4-2024 English versions: GB/T 45634-2025

English versions: GB/T 45634-2025

1-2025_Chinese: Information technology - Data centre facilities and infrastructures - Part 1: General concepts (Chinese: 信息技术 数据中心设备和基础设施 第1部分：通用概念)

English versions: GB/T 11356

1-2024_Chinese: Chemical analysis methods of silicon-based composite rare earth ferroalloy and RE-Mg ferro-silicon alloy - Part 1: Determination of total rare earth and fifteen rare earth elements contents (Chinese: 稀土硅铁合金及镁硅铁合金化学分析方法 第1部分：稀土总量、十五个稀土元素含量的测定)

English versions: GB/T 44915-2024

GB/T 15967-2024 Chinese PDF (GB/T15967-2024) GB/T 15843.4-2024 English versions: GB/T 45634-2025GB T 15967 2024_Chinese: Specifications for digital aerial photogrammetric mapping of 1500 11 000 12 000 topographic maps (Chinese: 1: 500 1: 1000 1: 2000) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15967 2024