• Dalipagić, Spencer Haywood, Andrea Gracis, Fabrizio Della Fiori, Giovanni Grattoni, Lorenzo Carraro, Luigi Serafini, Stefano Gorghetto, Angelo Bianchini...
    251 KB (22,341 words) - 00:42, 23 July 2024
  • Thumbnail for Germain Sommeiller
    and Severino Grattoni. He patented the pneumatic rock-drilling machine, used in the tunnelling works, based on the invention of Giovanni Battista Piatti...
    4 KB (404 words) - 22:33, 7 August 2024