GB/T 45521-2025 Chinese PDF (GB /T45521-2025) GB 45185-2024 GB/T 45404-2025_Chinese: Data security technology

GB/T 45404-2025_Chinese: Data security technology - Requirements for large Internet companies internal personal information protection supervision agency (Chinese: 数据安全技术 大型互联网企业内设个人信息保护监督机构要求)

English versions: GB/T 45363-2025

1-2025_Chinese: Particle - Separation performance test for particle size separator - Part 1: General principles (Chinese: 颗粒 粒度切割器切割性能测试 第1部分：通则)

English versions: GB/T 44835-2024

GB/T 45521-2025 Chinese PDF (GB /T45521-2025) GB 45185-2024 GB/T 45404-2025_Chinese: Data security technologyGB T 45521 2025_Chinese: Smart community infrastructures Guidelines on data exchange and sharing for community infrastructures based on geographic information (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45521 2025