GB/T 19502-2023 Chinese PDF (GB/T19502-2023) GB/T 45419-2025 6-2023_Chinese: Evaluation and routine testing

6-2023_Chinese: Evaluation and routine testing in medical imaging departments - Part 3-6: mammographic X-ray equipment used in a mammographic tomosynthesis mode of operation imaging performance acceptance and constancy tests (Chinese: 医用成像部门的评价及例行试验 第3-6部分:乳腺断层合成成像模式下乳腺摄影X射线设备成像性能验收与稳定性试验)

English versions: GB 44171-2024

English versions: GB/T 19048-2024

GB/T 44929-2024_Chinese: Specifications for the scientific proposal evaluation of space high-energy astronomy (Chinese: 空间高能天文科学观测提案评估规范)

English versions: GB/T 45481-2025

GB/T 19502-2023 Chinese PDF (GB/T19502-2023) GB/T 45419-2025 6-2023_Chinese: Evaluation and routine testingGB T 19502 2023_Chinese: Surface chemical analysis General rules for glow discharge optical emission spectrometry(GD OES) (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19502 2023