Device for repairing underground sewers

   
   

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.

Um dispositivo para reparar sewers subterrâneos, tubulação ou o gosto forneceu um corpo oco cilíndrico, que tivesse uma embalagem elàstica expansível agir como uma parede exterior.

 
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