Irrigation irrigation system for the u.s. (Machine-translation by Google Translate, not legally binding)

摘要

Irrigation system by underground irrigation, essentially characterized by being integrated by a network of pipes buried in the subsoil, according to multiple and indistinct tracings, transversely comprising to the section of the pipe conveniently spaced distribution valves equipped with separate irrigation orifices, pumping to the pipe the water through a tap and a main distribution line. (Machine-translation by Google Translate, not legally binding)