Explanatory notes
… 48.20 ‑ Registers, account books, note books, order books, … or for collections and book covers, of paper or paperboard. 4820.10 ‑ Registers, account books, note books, order books, … letter pads, memorandum pads, diaries and similar articles 4820.20 ‑ Exercise books 4820.30 ‑ Binders (other than book …