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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21/00
Machines or devices using grinding or polishing belts; Accessories therefor
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B24B21/04
for grinding plane surfaces
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B24B21/06
involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground
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B24B21/08
Pressure shoes;; Pressure members, e.g.; backing belts
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