GB/T 28572-2025 Chinese PDF (GB /T28572-2025) GB/T 30843.1-2024 GB/T 18376

GB/T 18376

2-2024_Chinese: Lighting of work places - Part 2: Lighting requirements for safety and security of outdoor work places (Chinese: 工作场所照明 第2部分：室外作业场所的安全保障照明要求)

5-2025_Chinese: Uncut finished spectacle lenses - Part 5: Abrasion-resistant of surfaces test methods (Chinese: 眼镜镜片 第5部分：表面耐磨试验方法)

GB/T 18649-2024_Chinese: Diagnostic techniques for contagious bovine pleuropneumonia (Chinese: 牛传染性胸膜肺炎诊断技术)

GB/T 28572-2025 Chinese PDF (GB /T28572-2025) GB/T 30843.1-2024 GB/T 18376GB T 28572 2025_Chinese: Specification and technical parameters of inlet valves for large and medium sized hydraulic turbines (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28572 2025