GB/T 45423-2025 Chinese PDF (GB /T45423-2025) GB/T 44992-2024 GB/T 19713-2025_Chinese: Cybersecurity technology -

GB/T 19713-2025_Chinese: Cybersecurity technology - Public key infrastructure - Online certificate status protocol (Chinese: 网络安全技术 公钥基础设施 在线证书状态协议)

4-2025_Chinese: Uncut finished spectacle lenses - Part 4: Anti-reflective coatings test methods (Chinese: 眼镜镜片 第4部分：减反射膜试验方法)

English versions: GB/T 11856

GB/T 45326-2025_Chinese: Extra coarse grain cemented carbide tips for engineering (Chinese: 超粗晶粒硬质合金工程齿)

GB/T 44926-2024_Chinese: Nanotechnologies - Characterization of micro surface and sub surface - Optical dark-field confocal microscopy (Chinese: 纳米技术 微区表面及亚表面表征 光学暗场共焦显微法)

GB/T 45423-2025 Chinese PDF (GB /T45423-2025) GB/T 44992-2024 GB/T 19713-2025_Chinese: Cybersecurity technology -GB T 45423 2025_Chinese: Data element for meteorology General (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45423 2025