发明授权
US06755592B2 Device for repairing underground sewers 有权
修理地下下水道的设备

  • 专利标题: Device for repairing underground sewers
  • 专利标题(中): 修理地下下水道的设备
  • 申请号: US10141696
    申请日: 2002-05-07
  • 公开(公告)号: US06755592B2
    公开(公告)日: 2004-06-29
  • 发明人: Franz Janssen
  • 申请人: Franz Janssen
  • 优先权: EP01110197 20010508
  • 主分类号: F16L5516
  • IPC分类号: F16L5516
Device for repairing underground sewers
摘要:
A device for repairing underground sewers, pipe or the like provided a cylindrical hollow body, which has an elastically expandable casing acting as an outer wall.
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