GB/T 12690.12-2024 Chinese PDF (GB/T12690.12-2024) GBZ15166.8-2025 English versions: GB/T 35132

English versions: GB/T 35132

English versions: GB/T 10645-2023

GB/T 45637-2025_Chinese: Electrically operated toothbrushes - Methods for measuring the performance (Chinese: 电动牙刷 性能测试方法)

GB/T 44915-2024_Chinese: Technical specification at the project level for assessment of greenhouse gas emission reductions - Greenhouse gas and wastewater treatment and waste recycle (Chinese: 基于项目的温室气体减排量评估技术规范 废气废水处理及废渣回收)

English versions: GB/T 45389-2025

GB/T 12690.12-2024 Chinese PDF (GB/T12690.12-2024) GBZ15166.8-2025 English versions: GB/T 35132GB T 12690. 12 2024_Chinese: Chemical analysis methods for non rare earth impurities of rare earth metals and their oxides Part 12: Determination of thorium and uranium contents Inductively coupled plasma mass spectrum method (Chinese: 12 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12690. 12 2024