GB/T 45169-2025 Chinese PDF (GB /T45169-2025) GB/T 11856.1-2025 English versions: GB/T 31114-2024

English versions: GB/T 31114-2024

2-2025_Chinese: Test methods of rare earth phosphors for LED - Part 2: Determination of relative brightness (Chinese: LED用稀土荧光粉试验方法 第2部分：相对亮度的测定)

GB/T 45241-2025_Chinese: Data specification of official vehicle management platform (Chinese: 公务用车管理平台数据规范)

GB/T 45159

GB/T 44878-2024_Chinese: Frozen soil observation - Frequency domain reflection method (Chinese: 冻土观测 频域反射法)

GB/T 45169-2025 Chinese PDF (GB /T45169-2025) GB/T 11856.1-2025 English versions: GB/T 31114-2024GB T 45169 2025_Chinese: Additive manufacturing Residual stress of metal parts Method of sound beam control (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45169 2025