Methods and modules for use in a modular assembly are disclosed for retaining or detaining storm water beneath a ground surface. A module comprises a substantially horizontally disposed deck portion and at least one substantially vertically disposed side portion extending therefrom. The deck portion...http://www.google.es/patents/US7160058?utm_source=gb-gplus-sharePatente US7160058 - Methods and module for an underground assembly for storm water retention or detention
Methods and module for an underground assembly for storm water retention or ...
