16 PAPER, CARBON PAPER, SELF-COPYING PAPER, THERMOGRAPHY PAPER, DUPLICATING PAPER, SPECIAL PAPER AS DATA CARRIER FOR DATA PROCESSING MACHINES; PAPERBOARD, CARDBOARD; PAPER AND PAPERBOARD CONTAINING SYNTHETIC MATERIALS AND/OR FIBERS; CARBON PAPER SETS AND SETS OF ENDLESS FORMS MADE OF PAPER; PAPER FOR PRINTED FORMS