Fish habitat structure

Details Fish habitat structure Fish habitat structure

1991-07-17

1992-05-05

Weiss, John G.

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

A01K 6100

Patent

active

051097966

ABSTRACT:
Multiple layers of plastic pipe are attached together. Each layer has multiple parallel pipes of similar diameter, and each layer is attached at a right angle to each adjacent layer. The lowest layer of pipes has an interior diameter larger than the interior diameter of the next upper layer. Each succeeding upper layer has an inside pipe diameter less than the diameter of the next lowest layer.

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patent: 5038715 (1991-08-01), Fahs, II

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