GB/T 4706.47-2024 Chinese PDF (GB/T4706.47-2024) GB/T 45498.1-2025 English versions: GB/T 13963-2025

English versions: GB/T 13963-2025

English versions: GB 45184-2024

4-2024_Chinese: Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 4: Sound intensity method (Chinese: 工业风机 标准实验室条件下风机声功率级的测定 第4部分：声强法)

1-2024_Chinese: Specification for classification and labelling of chemicals - Part 1: General rules (Chinese: 化学品分类和标签规范 第1部分：通则)

4-2025_Chinese: Acoustics - Laboratory measurement of sound insulation of building elements - Part 4: Measurement procedures and requirements (Chinese: 声学 建筑构件隔声的实验室测量 第4部分：测量程序和要求)

GB/T 4706.47-2024 Chinese PDF (GB/T4706.47-2024) GB/T 45498.1-2025 English versions: GB/T 13963-2025GB T 4706. 47 2024_Chinese: Safety of household and similar electrical appliances Part 47: Particular requirements for electrical heating appliances for breeding and rearing animals (Chinese: 47) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 47 2024