Tree watering systems
- 专利权人:
- Douglas King
- 发明人:
- King, Douglas A.
- 申请号:
- AU2007260876
- 公开号:
- AU2007260876B2
- 申请日:
- 2007.06.22
- 申请国别(地区):
- AU
- 年份:
- 2012
- 代理人:
- 摘要:
- A system for dispersing water to the root zone of one or more trees beneath the soil'ssurface, comprising a perforated hollow cylindrical tube, ending in a spike,with an internal filter, which is driven into the ground to deliver water to theroot zone of a tree or trees.
- 来源网站:
- 中国工程科技知识中心