GB/T 38048.4-2024 Chinese PDF (GB/T38048.4-2024) GB/T 21510-2024 English versions: GB/T 45223-2025

English versions: GB/T 45223-2025

3-2024_Chinese: Iron ores - Experimental methods for checking the precision of sampling (Chinese: 铁矿石 校核取样精密度的实验方法)

1-2024_Chinese: Water chilling(heat pump) packages using the vapor compression cycle - Part 1: Water chilling(heat pump) packages for industrial and commercial and similar applications (Chinese: 蒸气压缩循环冷水（热泵）机组 第1部分：工业或商业用及类似用途的冷水（热泵）机组)

English versions: GB/T 13652-2023

English versions: GB/T 16886

GB/T 38048.4-2024 Chinese PDF (GB/T38048.4-2024) GB/T 21510-2024 English versions: GB/T 45223-2025GB T 38048. 4 2024_Chinese: Surface cleaning appliances Part 4: Cordless dry vacuum cleaners for household or similar use Methods for measuring the performance (Chinese: 4 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 38048. 4 2024