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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B31F
MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
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2201/00
Mechanical deformation of paper or cardboard without removing material
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B31F2201/0707
by tools working continuously
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B31F2201/0715
The tools being rollers
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B31F2201/0741
Roller cooperating with a non-even counter roller
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B31F2201/0743
having a matching profile
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