266 / | HD | METALLURGICAL APPARATUS |
48 | DF | MEANS FOR CUTTING SOLID METAL WITH HEAT, E.G., BLOWPIPES {14} |
51 | .~ Means for removing surface material, e.g., scarfing {2} | |
52 | DF | .~.~> Having means to simultaneously scarf multiple sides of a workpiece |
53 | DF | .~.~> Having workpiece-contacting cutting means spacer |