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Protective element for a breakwater or wave-retarding construction

Image Number 5 for United States Patent #7160057.

A protective element for a breakwater or wave-retarding construction comprises a body that has at least two opposing projections. The projections are on either side of a flat base and extend transversely thereto. The periphery of the base is non-circular, so that rolling of the protective element under the influence of the beating of the waves is resisted.

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