Optical projection profile-grinding machine
Optical surface polisher
Optical surface polishing method
Optical surface polishing method
Optical surface quality improving arrangement
Oral composition and abrasive therefor
Orbital abrading or polishing tool
Orbital barrel finishing machine and automated system therefor
Orbital barrel finishing machine and automated system therefor
Orbital polisher
Orbital polisher with elastic abrasive
Orbital rubbing machine with improved spindle locking member
Orbital sander
Orbital saw sharpening device
Oriented particles in hard surfaces
Oscillating cut-off saw
Oscillating grinder
Oscillatory drive for fine-grinding machine
Oscillatory or translational table for machine tools
Overrunning protection for a grinding wheel