Pay in 4 interest-free payments of $9.75 Learn more
Ships within 48 hours · Estimated delivery Oct 1 - Oct 6
English versions: GB/T 2684-2025
3-2025_Chinese: Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency (Chinese: 家用直接作用式房间电加热器 性能测试方法 第3部分：辐射效率测量的附加规定)
GB/T 44991-2025_Chinese: Railway applications - Testing of rolling stock on completion of construction and before entry into service (Chinese: 轨道交通 机车车辆制成后投入使用前的试验方法)
4-2025_Chinese: Acoustics - Laboratory measurement of sound insulation of building elements - Part 4: Measurement procedures and requirements (Chinese: 声学 建筑构件隔声的实验室测量 第4部分：测量程序和要求)
English versions: GB/T 23723
GB/T 45242-2025 Chinese PDF (GB /T45242-2025) GB/T 17643-2025 English versions: GB/T 2684-2025GB T 45242 2025_Chinese: Determination of inositol in health foods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45242 2025
US$ 24.00
US$ 25.00
US$ 20.99
US$ 15.99
