Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B24
GRINDING; POLISHING
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B24D
TOOLS FOR GRINDING, BUFFING OR SHARPENING
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9/00
Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
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B24D9/08
Circular back-plates for carrying flexible material
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B24D9/10
with suction means for securing the material
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