GB/T 5170.22-2024 Chinese PDF (GB/T5170.22-2024) GB/T 45474-2025 4-2024_Chinese: Information technology - Security

4-2024_Chinese: Information technology - Security techniques - Entity authentication - Part 4: Mechanisms using a cryptographic check function (Chinese: 信息技术 安全技术 实体鉴别 第4部分：采用密码校验函数的机制)

GB/T 32252-2024_Chinese: Investment casting process - General technology guidelines (Chinese: 熔模铸造工艺 通用技术导则)

2-2024_Chinese: Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 2: Gas chromatography-mass spectrometry method (Chinese: 纺织品 全氟及多氟化合物的测定 第2部分：气相色谱-质谱法)

GB/T 45533-2025_Chinese: Quality requirements for fermented meat products (Chinese: 发酵肉制品质量要求)

English versions: GB 30185-2025

GB/T 5170.22-2024 Chinese PDF (GB/T5170.22-2024) GB/T 45474-2025 4-2024_Chinese: Information technology - SecurityGB T 5170. 22 2024_Chinese: Inspection methods environmental testing equipment Part 22: The equipment for acoustic vibration test in reverberation field (Chinese: 22) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5170. 22 2024