Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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B65H
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
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2403/00
Power transmission; Driving means
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B65H2403/72
Clutches, brakes, e.g. one-way clutch +F204
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B65H2403/724
electromagnetic clutches
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