US PATENT SUBCLASS 266 / 70
.~ Circle cutter

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

48  DF  MEANS FOR CUTTING SOLID METAL WITH HEAT, E.G., BLOWPIPES {14}
70.~ Circle cutter

DEFINITION

Classification: 266/70

(under subclass 48) Device provided with means constraining the cutting means to follow an accurate path.