GB/T 26600-2024 Chinese PDF (GB/T26600-2024) GB/T 45284.4-2025 English versions: GB/T 13359-2024

English versions: GB/T 13359-2024

1-2023_Chinese: Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 1: General overview (Chinese: 工业风机 标准实验室条件下风机声功率级的测定 第1部分：通用要求)

English versions: GB/T 45595-2025

English versions: GB/T 43279

GB/T 28892-2024_Chinese: Surface chemical analysis - X-ray photoelectron spectroscopy - Description of selected instrumental performance parameters (Chinese: 表面化学分析 X射线光电子能谱 选择仪器性能参数的表述)

GB/T 26600-2024 Chinese PDF (GB/T26600-2024) GB/T 45284.4-2025 English versions: GB/T 13359-2024GB T 26600 2024_Chinese: Microscopes Immersion liquid for light microscopy (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 26600 2024