Description  Claims  Drawing  Cited references 

IT102017000125342   [0001] 
US2013025265A   [0008] 
EP3153676A   [0008] 
DE4341739   [0008]  [0011] 
US2007131180A   [0011] 
IT102017000025322   [0028]  [0036]  [0037]  [0051]  [0054] 
IT102017000025325   [0028]  [0036]  [0037]  [0051]  [0054]