An artificial water plant system for trapping bottom sediments in water to protect sand beach against erosion in which the water plant comprises a rod-shaped or tubular molding product having a circular or non-circular cross sectional shape and comprising a thermoplastic elastomer alone having a flexural...http://www.google.fr/patents/US5620279?utm_source=gb-gplus-shareBrevet US5620279 - Artificial water plant system for controlling sediment transport on a water bed
Artificial water plant system for controlling sediment transport on a water bed
