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2-2023_Chinese: Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 2: Reverberant room method (Chinese: 工业风机 标准实验室条件下风机声功率级的测定 第2部分：混响室法)
English versions: GB/T 45284
GB/T 15180-2025_Chinese: Petroleum asphalts for heavy traffic road (Chinese: 重交通道路石油沥青)
control and automation - Digital factory framework - Part 2: Model elements (Chinese: 工业过程测量、控制和自动化 数字工厂框架 第2部分：模型元素)
English versions: GB/T 21307-2025
GB/T 33290.24-2024 Chinese PDF (GB/T33290.24-2024) YY/T 1529-2024 2-2023_Chinese: Industrial fans - DeterminationGB T 33290. 24 2024_Chinese: Specification for inspecting exit cultural relics Part 24: Enamelware (Chinese: 24) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33290. 24 2024
