GB/T 17241.1-2024 Chinese PDF (GB/T17241.1-2024) GB 7300.304-2024 352-2022_Chinese: Components for low-voltage surge

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)

2-2024_Chinese: Non-destructive testing - Penetrant testing - Part 2: Testing of penetrang materials (Chinese: 无损检测 渗透检测 第2部分：渗透材料的检验)

GB/T 45353-2025_Chinese: Guideline for quality grading of consumer products - Household electrical appliances (Chinese: 消费品质量分级导则 家用电器)

English versions: GB/T 32873-2025

5-2024_Chinese: Condition monitoring and diagnostics of machines - Requirements for qualification and assessment of personnel - Part 5: Lubricant laboratory technician/analyst (Chinese: 机器状态监测与诊断 人员资格与人员评估的要求 第5部分：润滑剂实验室技术人员/分析人员)

GB/T 17241.1-2024 Chinese PDF (GB/T17241.1-2024) GB 7300.304-2024 352-2022_Chinese: Components for low-voltage surgeGB 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