ETRON

Back-up boards, back-up sheets, back-up panels, entry boards, entry sheets, and entry panels made out of paper for use in the operation of drilling holes in printed circuit boards; Charcoal pencils; Copying paper; Correcting tape for type; Electrocardiograph paper; Ink for pens; Inking ribbons; Plastic cling film, extensible, for palletization; Plastic coated copying paper; Plastic film for wrapping; Printing types; Typewriter ribbons