GB/T 25216-2024 Chinese PDF (GB/T25216-2024) GB/T 42143-2022 GB/T 45650-2025_Chinese: Air source heat

GB/T 45650-2025_Chinese: Air source heat pump packages with carbon dioxide as refrigerants (Chinese: 二氧化碳空气源热泵机组)

1-dichloroethane (Chinese: 食品安全国家标准 食品接触材料及制品 氯乙烯、1

GB/T 13077-2024_Chinese: Periodic inspection and evaluation of seamless aluminum alloy gas cylinders (Chinese: 铝合金无缝气瓶定期检验与评定)

English versions: GB/T 17966-2024

3-2023_Chinese: Cores made of soft magnetic materials - Measuring methods - Part 3: Magnetic properties at high excitation level (Chinese: 软磁材料制成的磁心 测量方法 第3部分：高励磁水平下的磁特性)

GB/T 25216-2024 Chinese PDF (GB/T25216-2024) GB/T 42143-2022 GB/T 45650-2025_Chinese: Air source heatGB T 25216 2024_Chinese: Regional prediction methods for the danger of coal and gas outburst (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25216 2024