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GB/T 15967-2024_Chinese: Specifications for digital aerial photogrammetric mapping of 1∶500 1∶1 000 1∶2 000 topographic maps (Chinese: 1:500 1:1000 1:2000地形图数字航空摄影测量测图规范)
GB/T 22939
GB 44022-2024_Chinese: Safety technical specification for ammonium nitrate (Chinese: 硝酸铵安全技术规范)
English versions: GB/T 43705-2025
2 (Chinese: 无损检测 超声检测试块 第2部分：2号标准试块)
GB/T 19510.208-2023 Chinese PDF (GB/T19510.208-2023) GB/T 45325-2025 GB/T 15967-2024_Chinese: Specifications for digitalGB T 19510. 208 2023_Chinese: Controlgear for electric light sources Part 2 8: Particular requirements for ballasts for fluorescent lamps (Chinese: 2 8) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19510. 208 2023
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