Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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B23F
MAKING GEARS OR TOOTHED RACKS
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21/00
Tools specially adapted for use in machines for manufacturing gear teeth
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B23F21/122
having a shape similar to that of a gear or part thereof, with cutting edges situated on the tooth contour lines
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