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English versions: GB/T 20552-2023
GB/T 45578-2025_Chinese: Non-destructive testing - Acoustic emission testing - Verification of the receiving sensitivity spectra of piezoelectric acoustic emission sensors (Chinese: 无损检测 声发射检测 压电声发射传感器接收灵敏度谱的验证)
GB/T 12668
unvulcanized - Determination of plasticity - Rapid-plastimeter method (Chinese: 未硫化橡胶 塑性的测定 快速塑性计法)
English versions: GB/T 23950-2024
GB/T 24675.2-2024 Chinese PDF (GB/T24675.2-2024) GB/T 10322.5-2024 English versions: GB/T 20552-2023GB T 24675. 2 2024_Chinese: Conservation tillage equipment Part 2: Subsoiler (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 24675. 2 2024
