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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7/00
Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
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B24B7/10
Single-purpose machines or devices
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B24B7/16
for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
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B24B7/17
for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
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