Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B24
GRINDING; POLISHING
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B24B
MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
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39/00
Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
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B24B39/003
the working tool being composed of a plurality of working rolls or balls
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