73324729
Aug 21, 1981
Nov 9, 1982
Drill Bits, Core Bits, Core Crushers, Core Barrels, Stabilizers, Crossover Subs, Washover Shoes, Diamond Segment Repair Kits for Core Bits, Comprising Diamond Particles, Powdered Metal and Binder Material, and Core Drill Machines for Well Drilling and Bits for Mining, Mineral, Masonry and Concrete Drilling, Rotary Cutters, Scribing Tools, and Parts Therefor, Masonry and Concrete Sawing Machines and Blades, Tile Blades, Abrasive Blades, Thermocompression Bonding Tools, Dicing Blades, Hubs for Dicing Blade Sawing Machines, Sewer Tap Drilling Machines
Machinery