GB/T 18216.11-2024 Chinese PDF (GB /T18216.11-2024) GB 28263-2024 and the use of cast

and the use of cast irons (Chinese: 石油天然气工业 油气开采中用于含硫化氢环境的材料 第2部分：抗开裂碳钢、低合金钢和铸铁)

8-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 8: Low pressure or atmospheric storage tanks (Chinese: 压水堆核电厂核岛机械设备设计规范 第8部分：低压或常压储罐)

307-2025_Chinese: National food safety standard - Determination of formaldehyde in foods (Chinese: 食品安全国家标准 食品中甲醛的测定)

GB/T 20850-2025_Chinese: Safety of machinery - Guidelines for the application of machinery safety standards (Chinese: 机械安全 机械安全标准应用指南)

2-2025_Chinese: Norm of water intake for service industry in the Yellow River basin - Part 2: Natatorium (Chinese: 黄河流域服务业用水定额 第2部分：游泳场馆)

GB/T 18216.11-2024 Chinese PDF (GB /T18216.11-2024) GB 28263-2024 and the use of castGB T 18216. 11 2024_Chinese: Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC Equipment for testing, measuring or monitoring of protective measures Part 11: Effectiveness of residual current monitors(RCM)in TT, TN and IT systems (Chinese: 1000V1500V 11TTTNITRCM) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18216. 11 2024