• ETSI TS 123 087-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Telecomm...2023-07-01
  • DIN 3842-2017 Valves for heating installations - Radiator fittings PN 10 - Dimensions, materials, design2023-07-01
  • BS EN 913-2018 体操器材.总的安全要求和试验方法 Gymnastic equipment. General safety requirements and test met...2023-07-01
  • BS EN 61858-2-2014 Electrical insulation systems. Thermal evaluation of modifications to an established ele...2023-07-01
  • DL/T 1920-2018 电网企业应急能力建设评估规范 Emergency capacity construction and evaluation specification for...2023-07-01
  • BS EN IEC 60332-3-10-2018 Tests on electric and optical fibre cables under fire conditions. Test for verti...2023-07-01
  • BS EN 14033-4-2019 Railway applications. Track. Railbound construction and maintenance machines. Technical...2023-07-01
  • ETSI TS 136 101/8-2020 Lte; Evolved Universal Terrestrial Radio Access (E-Utra); User Equipment (Ue) Radio ...2023-07-01
  • CB 20367-2018 舰船用磁电式转速传感器规范 Specification for magneto-electric rotational speed sensor of ships...2023-07-01
  • ETSI TR 101 290-2020 Digital Video Broadcasting (Dvb); Measurement Guidelines For Dvb Systems2023-07-01
  • DB11/T 551.3-2008 无公害食品 畜禽场环境质量 第3部分: 羊场环境质量 Nbn- environmental pollution animal produc...2023-07-01
  • GB/T 3715-2022 煤质及煤分析有关术语 Terms relating to properties and analysis of coal2023-07-01
  • DL/T 2239-2021 变电站巡检机器人检测技术规范 Test specification for substation inspection robots...2023-07-01
  • BS EN 1709-2019 载人用索道装置的安全要求.试运行检查、维修、操作检查和检验 Safety requirements for cableway i...2023-07-01
  • GB/T 40678-2021 PXI总线模块通用规范 General specification for PXI bus modules2023-07-01
  • GB/T 33523.604-2022 产品几何技术规范（GPS） 表面结构 区域法 第604部分：非接触（相干扫描干涉）式仪器的标称特性 Geometri...2023-07-01
  • GB/T 20314-2017 液晶显示器用薄浮法玻璃 Thin float glass for liquid crystal display(LCD)applications...2023-07-01
  • ETSI TR 103 566-2018 Evaluation Status On Receiver Requirement On Signal Interferer Handling2023-07-01
  • ASTM D1835-2020 Standard Specification for Liquefied Petroleum (LP) Gases2023-07-01
  • GA/T 1729-2020 保安防卫棍 Security batons2023-07-01
  • GB/T 4678.5-2017 压铸模 零件 第5部分：圆导柱 Diecasting dies-Components-Part 5: Round guide pillar...2023-07-01
  • ETSI EN 300 220-2-2017 Short Range Devices (Srd) Operating In The Frequency Range 25 Mhz To 1 000 Mhz;Part ...2023-07-01
  • DIN EN 50588-1-2019 Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV...2023-07-01
  • GB 28346-2012 食品安全国家标准 食品添加剂 肉桂醛2023-07-01
    •  153251   首页 上一页 842 843 844 845 846 847 848 849 850 851 下一页 尾页
    专题列表
    更多专题
    推荐列表