Other to a person is moving in an underground channel or a similar installation, in particular in a pipe of the sewer disposal

• 1. 在纺纱准备机械，特别是在梳理机、开棉机、除尘机或类似机械上的装置 [P] . 中国专利： CN1590613A . 2005-03-09
• 2. 将衬层装置插入有气体流动的管道并使其在管道中移动的方法和设备 [P] . 中国专利： CN1371458A . 2002-09-25
• 3. SECURITY SYSTEM FOR A PERSON MOVING IN AN UNDERGROUND CHANNEL OR THE LIKE, ESPECIALLY IN A SEWER PIPE [P] . 法国专利： FR2597901A1 . 1987-10-30

  机译： 一个人在地下通道或类似地方（特别是在下水道中）移动的安全系统

• 4. INSTALLATION ELEMENT FOR UNDERGROUND SEWER PIPES, THE CORRESPONDING UNDERGROUND SEWER PIPES AND PROCESS FOR PROTECTING SUCH AN ELEMENT [P] . RO115823B1 . 2000-06-30

  机译： 地下污水管道的安装要素，相应的地下污水管道和保护此类要素的过程

• 5. gehsicherung for a person in an underground channel or the like, in particular in a sewer pipe [P] . 德国专利： DE3613710C1 . 1987-09-24

  机译： 适用于地下通道等中的人，尤其是下水道中的人

• 1. Development of 122-fiber optical cable having slotted rod and stainless pipes optimized for installation into sewer pipes [C] . Takahiro Kuwajima, Satoshi Imamura, Yoji Suzuki International Wire and Cable Symposium . 2001
• 2. A moving boundary model of concrete sewer pipe corrosion: Theory and simulation [D] . Jahani, Fereidoun 1999
• 3. Underground Sewers [O] . J. W. Compton 1879
• 4. New tables for the complete solution of Ganguillet and Kutter's formula for the flow of liquid in open channels, pipes, sewers and conduits. [O] . Ganguillet, E., Kutter, W. R. 1901
• 5. Bedload Transport in Storm Sewers: Stream Traction in Pipe Channels [R] . Gonzalez, G. S. P. 1991