| 摘要 |
The present invention relates to an underground reservoir for storing liquid products comprising an inner or main reservoir made from a material having known strength characteristics, such as a carbon steel typically used in the industry, and an outer or secondary reservoir comprising a coating, said coating comprising an iinner layer made from an impervious paper and an oute r polyurethane-based layer. The present invention also relates to a process fo r manufacturing said reservoir. |
