72381063
Jan 15, 1971
Sep 25, 1973
ABRASIVE PREPARATIONS FOR CLEANING, POLISHING, SCOURING AND GRINDING; AND DIAMOND DUST
Lubricants and FuelsDIAMOND DRILLS, ROCK DRILLS, DIAMOND SAWS, TUNGSTEN CARBIDE TIPPED TOOLS; AND INSERTS FOR ROCK DRILLS
Yarns and Threads