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  • NF X34-122/A1-2019 Solid biofuels - Sample preparation - Amendment 12024-01-13
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  • SN/T 4588-2016 出口蔬菜、水果中多种全氟烷基化合物测定 液相色谱-串联质谱法 Determination of perfluorinated al...2024-01-13
  • IPC 7711B/7721B AMD 2-2014 Rework,Modification And Repair Of Electronic Assemblies2024-01-13
  • NF EN ISO 2398-2017 压缩空气用织物加强型橡胶软管--规格 Rubber hoses, textile-reinforced, for compressed air ...2024-01-13
  • NB/T 10819-2021 高压并联电容器状态监测装置通用技术要求 General technical requirements for condition monitori...2024-01-13
  • MT/T 1178-2019 矿用防爆高压变频器 Mine explosion-proof high voltage frequency converter2024-01-13
  • SJ 21381-2018 时间相关介质击穿(TDDB)测试方法 Test method for time dependent dielectric breakdown (TDDB)...2024-01-13
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  • NF EN 50288-6-2-2017 Multi-element metallic cables used in analogue and digital communication and control ...2024-01-13