Pay in 4 interest-free payments of $9.75 Learn more
Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
English versions: GB/T 26927-2023
GB/T 23480-2025_Chinese: Small hole drilling electrical discharge machines - Testing of the accuracy (Chinese: 电火花小孔加工机床 精度检验)
English versions: GB/T 17889
2-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 2: Binoculars (Chinese: 光学和光子学 望远镜系统试验方法 第2部分：双筒望远镜)
English versions: GB/T 28545-2023
GB/T 20042.6-2024 Chinese PDF (GB/T20042.6-2024) GB/T 44889-2024 English versions: GB/T 26927-2023GB T 20042. 6 2024_Chinese: Proton exchange membrane fuel cell Part 6: Test method of bipolar plate properties (Chinese: 6) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20042. 6 2024
