More topics under "B31 - Making paper articles; Working paper" (53,723) |
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B31B - Making boxes, cartons, envelopes, or bags (34,160) |
B31C - Making wound articles, e.g. wound tubes (2,169) |
B31D - Making other paper articles (6,388) |
B31F - Mechanical working or deformation of paper or cardboard (11,006) |