Perfected savings balance. (Machine-translation by Google Translate, not legally binding)

摘要

Improved salvage raft symmetrically disposed on both sides of a horizontal central plane and consisting of a circumferential and toroidal body made of artificial cellular material and a central bottom disposed in its interior characterized by the circumferential toroidal body as well as the bottom they are made of artificial cellular material without any reinforcing framework to give rigidity or separate parts in the background. (Machine-translation by Google Translate, not legally binding)