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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B65H2701/50
Storage means for webs, tapes, or filamentary material
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B65H2701/51
Cores or reels characterised by the material
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B65H2701/513
assembled mainly from rigid elements of the same kind
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