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Tree trunk housing and adjustable tarp water-saving device
专利权人:
Mudhyan Khalid Almudhyan
发明人:
Mudhyan Khalid Almudhyan
申请号:
US14661560
公开号:
US09814188B2
申请日:
2015.03.18
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A water-saving device comprising a hollow frusto-conical housing having a wide lower end adapted to overlie a ground surface and a narrow upper end. A flexible tarp is integrally connected around the circumference of the narrow upper end of the housing, and a draw string is integrally attached around the circumference of a upper end of the flexible tarp. The draw string is pulled taught to reduce the circumference of the upper end of the flexible tarp and enclose the tarp around the tree trunk.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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