Ducati Merken Ducati 450 mark 3 d Ducati 450 mark 3 d generaties Ducati 450 mark 3 d 1968 Ducati 450 mark 3 d 1971 Ducati 450 mark 3 d 1972 Ducati 450 mark 3 d 1973 Ducati 450 mark 3 d 1974
