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English versions: GB/T 13815
GB/T 1480-2025_Chinese: Metallic powders - Determination of particle size by dry sieving (Chinese: 金属粉末 干筛分法测定粒度)
requirements and guidelines (Chinese: 环境管理 产品系统生态效率评估 原则、要求与指南)
GB/T 22454-2025_Chinese: Enterprise modelling and architecture - Constructs for enterprise modelling (Chinese: 企业建模与体系结构 企业建模构件)
English versions: GB/T 15683-2025
GB/T 23595.3-2025 Chinese PDF (GB /T23595.3-2025) GB/T 20854-2025 English versions: GB/T 13815GB T 23595. 3 2025_Chinese: Test methods of rare earth phosphors for LED Part 3: Determination of chromaticity coordinates (Chinese: LED 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23595. 3 2025
