地下管道

• Electromagnetic locators for buried pipes and cables - performance and safety
  地下管道和电缆用电磁定位器.性能和安全性
• Metallic industrial piping - part 6 : additional requirements for buried piping
  金属工业管道.第6部分:地下管道的额外要求
• Standard specification for flexible transition couplings for underground piping systems
  地下管道系统用柔性过渡管联接器的标准规范
• Thermally insulated underground pipelines - specification for steel cased systems with air gap
  绝热地下管道.第1部分:有气隙的外加钢套管系统规范
• Suggest constructing underground tubetunnel for transportation of freight , cargo and passengers
  建议政府兴建地下管道或隧道，以运输货物及乘客。
• Electromagnetic locators for buried pipes and cables - performance and safety ; german version en 50249 : 2002
  地下管道和电缆电磁波监测器.性能和安全性
• Conduit systems for cable management - part 2 - 4 : particular requirements for conduit systems buried underground
  电缆管理用管道系统.第2 - 4部分:地下管道系统的特殊要求
• Specification for conduit systems for cable management - particular requirements - conduit systems buried underground
  电气装置用导管系统规范.第2 - 4部分:地下管道系统专门要求
• Thermally insulated underground pipelines - specific testing and inspection requirements for cased systems without air gap
  绝热地下管道.无气隙的外套管系统专门试验及检验要求
• As anticorrosive paint for ship bottom , container exterior and bottom , underground pipeline and steel
  主要用于船底部位，集装箱外、底部，各种地下管道、钢铁产品的地下防腐蚀用漆。