Metal nozzle rings for ships; partial nozzle rings of metal for ships; metal nozzle rings for inflow of ship propellers.

'inflow':17 'metal':1,10,13 'nozzl':2,7,14 'partial':6 'propel':20 'ring':3,8,15 'ship':5,12,19

energy savings equipment for water vehicles, namely nozzle rings and partial nozzle rings with fins for influencing the incoming propeller flow, being structural parts for ships

'energi':1 'equip':3 'fin':15 'flow':21 'incom':19 'influenc':17 'name':7 'nozzl':8,12 'part':24 'partial':11 'propel':20 'ring':9,13 'save':2 'ship':26 'structur':23 'vehicl':6 'water':5

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