Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B31
MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
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B31B
MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
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2100/00
Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
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B31B2100/002
characterised by the shape of the blank from which they are formed
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