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An improved hammer characterized essentially by the fact that the bearing head of the replaceable percussion parts has its hollow partially occupied by a moving mass formed by small particles of a heavy material that moves inside the hollow as opposed to the action of knocking to overcome the kick caused by the percussion. (Machine-translation by Google Translate, not legally binding)
A force-building apparatus using the down push up of the water on a body introduced in it (Machine-translation by Google Translate, not legally binding)
An improvement in the autonomous cutting machines with own movement, with free motion of the advance wheel (Machine-translation by Google Translate, not legally binding)
Double bell warning bell with independent hammer masses and different and alternating sounds obtained by a single command (Machine-translation by Google Translate, not legally binding)