发明名称 Irrigation and drainage method and apparatus
摘要 There is provided a new and useful irrigation and drainage method and apparatus, the apparatus comprising a pump for raising water via a well from a subsurface water table; a subsurface perforated piping network for distribution of water at a level between the level of the water table and the ground surface to create an artificial water table; and structure for connecting an outlet of the pump with an inlet of the piping network. Drainage piping may be provided connected to an outlet of the piping network.
申请公布号 US5221158(A) 申请公布日期 1993.06.22
申请号 US19910811957 申请日期 1991.12.23
申请人 UNIQUE-QUALITY PRODUCTS, INC. 发明人 NORSWORTHY, JOHN A.
分类号 A01G25/06;E02B11/00;E02B13/00 主分类号 A01G25/06
代理机构 代理人
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