GB/T 24977-2024 Chinese PDF (GB/T24977-2024) GB/T 14392.1-2022 English versions: GB/T 4365-2024

English versions: GB/T 4365-2024

GB/T 45439-2025_Chinese: Technical specification for the application of traceability two-dimensional code on fuel gas cylinders and fuel gas cylinder valves (Chinese: 燃气气瓶和燃气瓶阀溯源二维码应用技术规范)

English versions: GB/T 45602-2025

GB/T 25020

1-2025_Chinese: Assembled spectacles - Part 1: Single-vision and multifocal prescription assembled spectacles (Chinese: 配装眼镜 第1部分：单焦和多焦定配眼镜)

GB/T 24977-2024 Chinese PDF (GB/T24977-2024) GB/T 14392.1-2022 English versions: GB/T 4365-2024GB T 24977 2024_Chinese: General technical requirements for bathroom furniture (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24977 2024