管螺纹

• Gaging for dryseal pipe threads
  干密封管螺纹的测量
• Gaging for dryseal pipe threads
  干封管螺纹的测量
• Bsp british standard pipe threa
  英国标准管螺纹
• Sockets for screwed ends with metric fine thread and whitworth pipe thread
  公制细螺纹和惠氏管螺纹管接头用分岔接管
• Pipe threads , general purpose
  通用英制管螺纹
• Gauges for taper pipe threads
  锥形管螺纹量规
• Taper pipe threads with 60 degree
  圆锥管螺纹
• American standard pipe thread
  美国标准管螺纹
• Steel conduit thread ; thread gauges , " go " and " not go " thread plug gauges
  钢制管螺纹.螺纹量规.过端和不过端螺纹塞规
• Threaded joint for brarch pipe
  支管螺纹接头