真空计

• Vacuum technology ; terms and definitions ; vacuum gauges
  真空技术.术语和定义.真空计
• 10 a computerized automatic gear - shifting vacuum gauge
  10自动换档真空计一套
• Verification scheme of measuring instruments for vacuum
  真空计量器具检定系统
• Actuality and development tendency about vacuum metrology
  真空计量的现状及发展趋势
• 8 a computerized automatic gear - shifting vacuum gauge
  8电脑自动换档真空计
• 7 a computerized automatic gear - shifting vacuum gauge
  7自动换档真空计一台
• 6 a computerized automatic gear - shifting vacuum gauge
  6自动换档真空计一套
• 7 a computerized automatic gear - shifting vacuum gauge
  7电脑自动换档真空计
• Verification regulation of piezoresistive vacuum gauge
  压阻真空计检定规程
• Specifications of cold cathode ionization gauge
  冷阴极电离真空计技术条件