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BIRD FEEDER
专利权人:
Tom BARTAK
发明人:
Tom BARTAK
申请号:
US13408450
公开号:
US20120240864A1
申请日:
2012.02.29
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A bird feeder is disclosed wherein a plurality of spaced-apart metal mesh tubes extend upwardly from a tray to a bird seed reservoir. In one embodiment, the tubes are curved much like a barrel stave. In another embodiment, the tubes are elongated and straight cylinders. In another embodiment, the tubes are helical in shape. The tubes are spaced sufficiently apart to enable birds to pass therebetween so that the birds may gain access to the feed in the tubes from all sides of the tubes.
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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