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English versions: GB/T 15340-2025
352-2022_Chinese: Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) (Chinese: 低压电涌保护器元件 第352部分：电信和信号网络的电涌隔离变压器(SIT)的选择和使用导则)
3-2025_Chinese: Information technology - Virtual reality content representation - Part 3: Audio (Chinese: 信息技术 虚拟现实内容表达 第3部分: 音频)
GB 20827-2025_Chinese: Criteria of physical examination for commercial divers (Chinese: 职业潜水员体格检查要求)
impact and fatigue strengths (Chinese: 轮椅车 第8部分：静态强度、冲击强度及疲劳强度的要求和测试方法)
GB/T 17241.1-2024 Chinese PDF (GB/T17241.1-2024) GB 7300.304-2024 English versions: GB/T 15340-2025GB T 17241. 1 2024_Chinese: Cast iron pipe flanges Part 1: PN designated (Chinese: 1PN) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17241. 1 2024
