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  • GB 55018-2021 工程测量通用规范 General code for engineering survey2023-06-03
  • ETSI TR 103 534-2-2019 Smartm2M; Teaching Material; Part 2: Privacy2023-06-03
  • DIN EN ISO 9873-2019 Dentistry - Intra-oral mirrors2023-06-03
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  • EN 50174-2-2018 Information technology. Cabling installation. Part 2: Installation planning and practices i...2023-06-03
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  • DL/T 768.4-2017 电力金具制造质量 第4部分:球墨铸铁件 Manufacture quality specification for electric power fit...2023-06-03
  • BS ISO 16300-4-2019 Automation systems and integration. Interoperability of capability units for manufactu...2023-06-03
  • ASTM A312/A312M-2019 冷加工奥氏体不锈钢焊接管和无缝管规格 Standard Specification for Seamless, Welded, and H...2023-06-03
  • ETSI TS 137 171/4-2020 Universal Mobile Telecommunications System (Umts); Lte; 5G; Universal Terrestrial Ra...2023-06-03
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  • GB/T 33758-2017 碟管式膜处理设备 Disk tubular membrane equipment2023-06-03
  • DA/T 22-2015 归档文件整理规则 The arrangement rule of archival documents2023-06-03
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