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English versions: GB/T 43274-2023
GB/T 29548-2024_Chinese: High speed precision straight side press - Testing of the accuracy (Chinese: 闭式高速精密压力机 精度)
GB 28931-2024_Chinese: Hygienic requirements for chlorine dioxide disinfectant generator (Chinese: 二氧化氯消毒剂发生器卫生要求)
English versions: GB/T 32934-2025
GB/T 5275.2-2022 Chinese PDF (GB/T5275.2-2022) GB/T 45101-2024 English versions: GB/T 43274-2023GB T 5275. 2 2022_Chinese: Gas analysis Preparation of calibration gas mixtures using dynamic methods Part 2: Piston pumps (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5275. 2 2022
