GB/T 20299.3-2024 Chinese PDF (GB/T20299.3-2024) GB 44172-2024 1-2024_Chinese: Information technology - Security

1-2024_Chinese: Information technology - Security techniques - Non-repudiation - Part 1: General (Chinese: 信息技术 安全技术 抗抵赖 第1部分：概述)

GB/T 30416-2024_Chinese: Specifications for the after-sales repair service of clocks and watches (Chinese: 钟表售后维修服务规范)

English versions: GB/T 13516-2023

4-2025_Chinese: Instruments for stage measurement - Part 4: Ultrasonic stage recorder (Chinese: 水位测量仪器 第4部分：超声波水位计)

GB/T 45655-2025_Chinese: General modular electrical cabinets with narrow-sized dimensions (Chinese: 通用窄尺寸模数化电气机柜)

GB/T 20299.3-2024 Chinese PDF (GB/T20299.3-2024) GB 44172-2024 1-2024_Chinese: Information technology - SecurityGB T 20299. 3 2024_Chinese: Digital technique application of building and residence community Part 3: Property management (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20299. 3 2024