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English versions: GB 5768
GB/T 45168-2024_Chinese: Determination of chromium picolinate in health foods (Chinese: 保健食品中吡啶甲酸铬的测定)
GB/T 45316-2025_Chinese: Determination of piperine content - Spectrophotometric method (Chinese: 胡椒碱含量的测定 分光光度法)
GB/T 38205
GB/T 45279.2-2025 Chinese PDF (GB /T45279.2-2025) GB 39800.9-2024 English versions: GB 5768GB T 45279. 2 2025_Chinese: IPv4 IPv6 network security protection technical specifications Part 2: Mobile communication network (Chinese: IPv4 IPv6 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45279. 2 2025
