GB/T 45298-2025 Chinese PDF (GB /T45298-2025) GB/T 24477-2025 GB/T 45316-2025_Chinese: Determination of piperine

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 45154-2024_Chinese: Ageing societies - General requirements and guidelines for an age-inclusive workforce (Chinese: 老龄化社会 年龄包容性劳动力通用要求与指南)

GB/T 45211

English versions: GB/T 32934-2025

GB/T 21199-2024_Chinese: Dry toner for laser printer (Chinese: 激光打印机用干式显影剂)

GB/T 45298-2025 Chinese PDF (GB /T45298-2025) GB/T 24477-2025 GB/T 45316-2025_Chinese: Determination of piperineGB T 45298 2025_Chinese: Soil mapping Specification for the symbols, colors and legends of soil texture, pH and salinization maps at the scale of 1: 25 0001: 500 000 (Chinese: 1: 25000~1: 500000) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45298 2025