and tube

• Rules for the inspection of casing and tubing for import and export
  进出口石油套管油管检验规程
• Verification regulation of casing and tubing round thread working
  石油套管圆螺纹工作量规检定规程
• The catheter and tube for lower intestinal tracts
  下肠道用导管
• Microscopes . connecting dimensions of tube slides and tube slots
  显微镜.镜筒滑块和镜筒槽的连接尺寸
• Recommended practices for local heating of welds in piping and tubing
  管和管道焊接局部加温推荐规程
• Specification for nickel seamless pipe and tube
  无缝镍管规范
• Standard specification for seamless copper alloy uns no . c69100 pipe and tube
  无缝铜合金管标准规范
• Shell and tube water heaters oil burning
  燃油壳管式热水机组
• Standard practice for ultrasonic examination of metal pipe and tubing
  金属管道超声检验的标准实施规范
• Method of eddy current testing for copper and copper alloy pipes and tubes
  铜及铜合金管的涡流检验方法