GB/T 25138-2024 Chinese PDF (GB/T25138-2024) GB/T 4706.32-2024 1-2023_Chinese: Luminaires - Part 1:

1-2023_Chinese: Luminaires - Part 1: General requirements and tests (Chinese: 灯具 第1部分：一般要求与试验)

8-2025_Chinese: Electromagnetic compatibility - General - Part 8: Phase angles of harmonic current emissions and voltages in the public supply networks - Future expectations (Chinese: 电磁兼容 综述 第8部分：公用电网谐波电流发射与电压相角 未来预期)

GB/T 45032-2024_Chinese: Smart city - Knowledge trustworthiness evaluation framework for city governance (Chinese: 智慧城市 面向城市治理的知识可信赖评估框架)

GB/T 31036-2025_Chinese: Proton exchange membrane fuel cell backup power system - Safety (Chinese: 质子交换膜燃料电池备用电源系统 安全)

English versions: GB/T 16605-2024

GB/T 25138-2024 Chinese PDF (GB/T25138-2024) GB/T 4706.32-2024 1-2023_Chinese: Luminaires - Part 1:GB T 25138 2024_Chinese: Standard silica sand for checking foundry binder (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25138 2024