GB/T 45439-2025 Chinese PDF (GB /T45439-2025) GB/T 45256-2025 English versions: GB/T 45466-2025

English versions: GB/T 45466-2025

GB/T 45496-2025_Chinese: Motor vehicle product recall - Guidelines for information defect assessment (Chinese: 汽车产品召回 信息缺陷评估指南)

GB/T 45076-2024_Chinese: Specification for construction of recyclable resources trading platform (Chinese: 再生资源交易平台建设规范)

English versions: GB/T 3091-2025

GB/T 44873-2024_Chinese: Product traceability - Rules and requirements for traceability coding (Chinese: 产品追溯 追溯编码规则和要求)

GB/T 45439-2025 Chinese PDF (GB /T45439-2025) GB/T 45256-2025 English versions: GB/T 45466-2025GB T 45439 2025_Chinese: Technical specification for the application of traceability two dimensional code on fuel gas cylinders and fuel gas cylinder valves (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45439 2025