发明授权
US4252081A Fish cage and method of cleaning fish cage 失效
鱼笼和清洁鱼笼的方法

Fish cage and method of cleaning fish cage
摘要:
The present invention provides a fish cage having a body portion and floats or weights attached thereto at one of a plurality of different positions so that the cage will float in water with a first part exposed and a second part submerged. Changing the position of attachment of the floats or weights results in different first and second parts being respectively exposed and submerged allowing successive cleaning of different first parts of the cage body.
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