GB/T 17699.3-2024 Chinese PDF (GB/T17699.3-2024) GB 30253-2024 English versions: GB/T 31900-2024

English versions: GB/T 31900-2024

English versions: GB/T 45216-2025

GB/T 17436-2025_Chinese: Selection of explosion proof electrical equipment in ship hazardous areas (Chinese: 船舶危险区域防爆电气设备的选用)

3-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 3: Telescopic sights (Chinese: 光学和光子学 望远镜系统试验方法 第3部分：瞄准望远镜)

GB/T 17699.3-2024 Chinese PDF (GB/T17699.3-2024) GB 30253-2024 English versions: GB/T 31900-2024GB T 17699. 3 2024_Chinese: Electronic data interchange for administration, commerce and transport(EDIFACT) Part 3: Segment directory (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17699. 3 2024