GB/T 28819-2023 Chinese PDF (GB/T28819-2023) GB/T 45459-2025 2-2024_Chinese: Tractors for agriculture and

2-2024_Chinese: Tractors for agriculture and forestry - Roll-over protective structures on narrow tractors - Part 2: Rear-mounted ROPS (Chinese: 农林拖拉机 窄轮距轮式拖拉机翻滚防护装置 第2部分：后置式)

English versions: GB 44496-2024

GB 18245-2024_Chinese: Safety specification for dust explosion prevention and protection in tobacco processing system (Chinese: 烟草加工系统粉尘防爆安全规范)

1-2025_Chinese: Rules for agricultural seed testing - Part 1: General directives (Chinese: 农作物种子检验规程 第1部分：总则)

4-2025_Chinese: Information technology - Extensible biometric data interchange formats - Part 4: Finger image data (Chinese: 信息技术 可扩展的生物特征识别数据交换格式 第4部分：指纹图像数据)

GB/T 28819-2023 Chinese PDF (GB/T28819-2023) GB/T 45459-2025 2-2024_Chinese: Tractors for agriculture andGB T 28819 2023_Chinese: Aluminium alloy enclosures for gas filled high voltage switchgear (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28819 2023