钢结构用高强度大六角头螺栓
High strength bolts with large hexagon head for steel structures
检测标准
有质量评定的石英晶体振荡器 第 4-1部分:空自详细规范能力批准
Quartz crystal controlled oscillators of assessed quality-Part 4-1: Blank detail specification-Capability approval
功率晶体管安全工作区测试方法
Test methods of safe operating area for power transistors
钢结构用高强度大六角螺母
High strength large hexagon nuts for steel structures
有质量评定的石英晶体元件 第1部分:总规范
Quartz crystal units of assessed quality-Part 1:Generic specification
石英晶体元件电子元器件质量评定体系规范 第5.1部分:空白详细规范鉴定批准
Quartz crystal unitsA specification in the quality assessment system for electronie components Part 5.1: Blank detail specification-Qualification approval
石英晶体振荡器型号命名方法
The rule of type designation forquartz crystal oscillators
船舱内非危险货物产生有害气体的检测方法
Detection methods for harmful gas evolvednfrom non-dangerous cargo in holds
有质量评定的石英晶体振荡器 第4部分:分规范能力批准
Quartz crystal controlled oscillators of assessed quality Part 4:Sectional specification-Capability approval
蒸汽疏水阀 分类
Automatic steam traps-Classification
