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  • GB/T 22055-2022显微镜 成像部件的连接尺寸Microscopes—Interfacing dimensions for imaging components...2022-10-26
  • SJ/T 11120-1997电视和声音信号的电缆分配系统设备与部件调频立体声和单声道调制器通用规范Equipment and component...2022-06-16
  • SJ 20716-1998电子元器件用铍青铜线棒材规范Specification for Copper-beryllium alloy wire and bor for use in el...2022-06-15
  • SJ/T 10150-1991电子元器件图形库.电阻器、电容器、电感器图形Graphic base of electronic components graphics for...2022-06-12
  • SN/T 2271-2009青椒中转基因成分定性PCR检测方法Method of the ploymerase chain reaction for detecting genetical...2022-06-12
  • GB/T 9637-2001电工术语 磁性材料与元件Electrotechnical terminology--Magnetic materials and components...2022-06-10
  • SJ 20036-1992军用电子元器件用钡钠及钾玻璃规范Specification for Barium sodium polassium glass for military el...2022-06-10
  • GB/T 19949.3-2005道路车辆 安全气囊部件 第3部分;气体发生器总成试验Road vehicle—Airbag components —Part3:Tes...2022-06-08
  • NB/T 20009.3-2010压水堆核电厂用焊接材料.第3部分:1、2、3级设备用不锈钢焊条Welding material for pressurized wa...2022-06-06
  • GB/T 2351-2005液压气动系统用硬管外径和软管内径Fluid power systems and components—Connectors and associated ...2022-06-06
  • SJ/T 11227-2000电子元器件详细规范.3DA98型NPN硅高频大功率晶体管Detail specification for electronic components...2022-06-06
  • GB/T 6809.8-2010往复式内燃机 零部件和系统术语 第8部分:起动系统Reciprocating internal combustion engines—Voca...2022-06-06
  • ISO/TR 16178-2021Footwear — Critical substances potentially present in footwear and footwear components — ...2022-03-31
  • BS ISO 8153-2-2021Aerospace fluid systems and components. Vocabulary. Part 2:Fittings and couplings2022-03-31
  • IEC 62435-9-2021Electronic components - Long-term storage of electronic semiconductor devices - Part 9- Spec...2022-03-31
  • GB/T 4678.15-2021压铸模 零件 第15部分:垫块Die casting dies. Components. Part 15: Spacer blocks2022-03-22
  • GB/T 38206.4-2021气动元件可靠性评估方法 第 4 部分:调压阀Methods to assess the reliability of pneumatic compon...2022-03-18
  • GB/T 38206.5-2021气动元件可靠性评估方法 第5部分:止回阀、梭阀、双压阀(与阀)、单向节流阀及快排阀Methods to assess...2022-03-18
  • GB/T 3836.30-2021爆炸性环境 第30部分:地下矿井爆炸性环境用设备和元件Explosive atmospheres. Part30:Equipment an...2022-03-14
  • GB 14232.4-2021人体血液及血液成分袋式塑料容器 第4部分:含特殊组件的单采血袋系统Plastics collapsible containers...2022-03-14
  • ASTM F615M-1995(2013)Standard Practice for Determining Safe Current Pulse-Operating Regions for Metallizatio...2022-03-14
  • Research on Three Dimensional Computer Assistance Assembly Process Design System2020-11-11
  • Gas Quenching Small Components2020-09-13