Pay in 4 interest-free payments of $9.75 Learn more
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
2-2025_Chinese: Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (Chinese: 声学 道路表面对交通噪声影响的测量 第2部分：近距法)
GB/T 13284-2025_Chinese: Design criteria of safety systems in nuclear power plants (Chinese: 核电厂安全系统设计准则)
GB 30720-2025_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for gas cooking appliances (Chinese: 燃气灶具能效限定值及能效等级)
English versions: GB 5009
GB/T 18978.20-2024 Chinese PDF (GB /T18978.20-2024) GB/T 18851.1-2024 2-2025_Chinese: Acoustics - Measurement ofGB T 18978. 20 2024_Chinese: Ergonomics of human system interaction Part 20: An ergonomic approach to accessible design (Chinese: 20) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18978. 20 2024
US$ 39.99
US$ 13.99
US$ 1635.00
US$ 18.60
US$ 48.95
US$ 19.99
US$ 21.99
