73346883
Jan 22, 1982
May 24, 1983
Drilling Tools for Power Operated Drills-Namely, Twist Drills, Center Drills, Double-End Drills, Stone Drills, Carbide-Tipped Stone Drills, Drill Stopers, Drill Bits, Centering Drills, Form Drills, Wood Drills, and Screw Extractors
Machinery