GB 44022-2024 Chinese PDF GB 20052-2024 9-2025_Chinese: Information technology - Biometric

9-2025_Chinese: Information technology - Biometric sample quality - Part 9: Vascular image data (Chinese: 信息技术 生物特征样本质量 第9部分：血管图像数据)

GB/T 45615-2025_Chinese: Systems and software engineering - Methods and tools for model-based systems and software engineering (Chinese: 系统与软件工程 基于模型的系统与软件工程方法和工具)

English versions: GB/T 42596

GB/T 45678-2025_Chinese: General requirements for civil tethered unmanned aircraft system (Chinese: 民用系留无人机系统通用要求)

English versions: GB/T 44911-2024

GB 44022-2024 Chinese PDF GB 20052-2024 9-2025_Chinese: Information technology - BiometricGB 44022 2024_Chinese: Safety technical specification for ammonium nitrate (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 44022 2024