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Improved bowling, characterized essentially because it comprises the arrangement of an installation of cables and rollers displaceable by means of chains that establish in the tension phase of said rollers the elevation of the boluses and in the inverse phase the fall of the same by their weight towards the game track, a selector mechanism being provided, which lowers the exact number of boluses that in the game phase had not been knocked down. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of automatic food devices for mobile fermentation cameras. (Machine-translation by Google Translate, not legally binding)