GB/T 45591-2025 Chinese PDF (GB /T45591-2025) GB/T 45271-2025 GB/T 1480-2025_Chinese: Metallic powders -

GB/T 1480-2025_Chinese: Metallic powders - Determination of particle size by dry sieving (Chinese: 金属粉末 干筛分法测定粒度)

English versions: GB/T 45233-2025

GB/T 45440-2025_Chinese: E-commerce housekeeping - Ability information description of housekeeping service personnel (Chinese: 电子商务家政 家政服务人员能力信息描述)

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)

English versions: GB/T 45381-2025

GB/T 45591-2025 Chinese PDF (GB /T45591-2025) GB/T 45271-2025 GB/T 1480-2025_Chinese: Metallic powders -GB T 45591 2025_Chinese: Code of practice for phytosanitary phosphine fumigation treatments of fruits and vegetables (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45591 2025