components for ships and boats, namely, metal mating rings for use with metal, non-metal or composite stern tube and rudder seal systems comprising mechanical seals; machine parts for industrial use, namely, metal mating rings for use with water turbine guide shaft seal systems comprising mechanical seals in hydro-electric applications

'applic':53 'boat':5 'compon':1 'composit':18 'compris':25,46 'electr':52 'guid':42 'hydro':51 'hydro-electr':50 'industri':31 'machin':28 'mate':8,35 'mechan':26,47 'metal':7,13,16,34 'name':6,33 'non':15 'non-met':14 'part':29 'ring':9,36 'rudder':22 'seal':23,27,44,48 'shaft':43 'ship':3 'stern':19 'system':24,45 'tube':20 'turbin':41 'use':11,32,38 'water':40

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