1723 Manufacture of paper stationery

172311 Carbon paper, self-copy paper and other copying or transfer papers/ duplicator stencil and offset plates of paper/ gummed or adhesive paper 172312 Envelopes, letter cards, plain postcards and correspondence cards of paper or paperboard/ boxes, pouches, wallets and writing compendiums of paper or paperboard, containing paper stationery 172313 Registers, account books, binders, forms and other articles of stationery, of paper or paperboard 172314 Other paper and paperboard, of a kind used for writing or printing or other graphic purposes, printed, embossed or perforated