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Feed port for a bird feeder
专利权人:
Barry D. Colvin
发明人:
Barry D. Colvin
申请号:
US12484315
公开号:
US08459206B1
申请日:
2009.06.15
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A feed port for a bird feeder is disclosed. The feed port includes a body portion having a number of edges defining a first opening through the body portion. A shroud extends from the body portion and depends downwards forming a space rear of the first opening. The shroud further defines a second opening in fluid connection with the first opening. An obstruction extends across the second opening.
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中国工程科技知识中心
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