Land drainage system

Details Land drainage system Land drainage system

E - Fixed Constructions

02

B

61/32

E02B 11/00 (2006.01) E01C 13/02 (2006.01) E02B 13/00 (2006.01)

Patent

CA 1257101

-9- ABSTRACT OF THE DISCLOSURE A land drainage system comprising sub-soil tubes (1) connected to a suction container (3) has the container cvacuated by a dual function system comprising liquid pumping means (4) and air extracting means (6) . A reser- voir (5) can contain liquid to be passed into the soil (e.g. for irrigating the land), (With Figure 1 )

507311

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