GB/T 7247.2-2024 Chinese PDF (GB/T7247.2-2024) GB/T 44888-2024 GB 6944-2025_Chinese: Classification and code

GB 6944-2025_Chinese: Classification and code of dangerous goods (Chinese: 危险货物分类和品名编号)

GB/T 37190-2023_Chinese: Pipeline corrosion control engineering life cycle - General requirements (Chinese: 管道腐蚀控制工程全生命周期 通用要求)

industry and administration - Long term signature - Part 3: Long term signature profiles for PDF Advanced Electronic Signatures(PAdES) (Chinese: 行政、商业和行业中的数据元、过程和文档 长效签名 第3部分: PDF高级电子签名（PAdES）的长效签名规范)

GB/T 1243-2024_Chinese: Short-pitch transmission precision roller and bush chains

English versions: GB/T 19713-2025

GB/T 7247.2-2024 Chinese PDF (GB/T7247.2-2024) GB/T 44888-2024 GB 6944-2025_Chinese: Classification and codeGB T 7247. 2 2024_Chinese: Safety of laser products Part 2: Safety of optical fibre communication systems (OFCSs) (Chinese: 2OFCS) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7247. 2 2024