48 | Paper and cardboard; articles of paper pulp, paper or cardboard |
4823 | Paper, paperboard, cellulose wadding and webs of cellulose fibers, cut to size or shape; articles of paper pulp, paper, paperboard, cellulose wadding or webs of cellulose fibers, |
482320 | Paper and cardboard filtering |
48232000 | Paper and cardboard filtering |