正齿轮

• Master gears for checking spur gears ; gear blank and tooth system
  正齿轮检验用标准齿轮.第1部分:齿轮坯和啮合体系
• Transmission spur wheel
  传动正齿轮
• Gear drawing standards - part 1 , for spur , helical , double helical , and rack
  齿轮绘图标准.第1部分:正齿轮斜齿轮人字齿轮和齿条
• Cylindrical spur gear
  圆柱正齿轮
• Design dimensions and errors of hobs for involute spur gears ; fundamental terms
  渐开线正齿轮加工用滚铣刀的设计尺寸与误差.基本术语
• Calculation of load capacity of spur and helical gears - application to marine gears
  正齿轮和斜齿轮的负载能力的计算.船用齿轮的应用
• Master gears for checking of spur gears for fine mechanics ; gear blanks and gearing
  检验精密机械的正齿轮用的标准齿轮.齿轮毛坯及啮合
• Axle spur wheel
  车轴正齿轮
• Spur gear drives for fine mechanics ; indication in drawings , examples for calculation
  精密加工用正齿轮传动装置.图样上的标注.计算示例