16 Paper; cotton papers, typing papers, copying papers; painting papers; handkerchiefs of paper; colour furrow papers; cardboard articles, namely, boxes and bags; signboards of paper or cardboard; writing or drawing books; albums; printed matter, namely, billbooks, workbooks, paper die cut shapes, vouchers, desk calendar, catalog of electronic products, catalog of cigarettes; writing pads; posters; pictures; apparatus for mounting photographs, namely, adhesive plastic film, adhesive corners; packing paper; bookbindings; bags, envelopes and pouches of paper or plastics, for packaging; bookbinding apparatus, namely, tape, wire, cords and strips; electrical and mechanical pencil sharpeners; stationery; office requisites, namely, blank paper notebooks, notepads, adhesives, adhesive note paper, file pockets, file folders, drafting rulers, drawing rulers, drafting compasses, rubber erasers, rubber stamps, staplers, punches, rubber bands, book covers, pen and pencil cases and boxes, correcting fluid for type, correcting film for type; ink for writing instruments; hand-held labeling device; writing instruments; adhesive bands for stationery or household purposes; drawing instruments; drawing materials for blackboards; mimeograph apparatus and machines; printed teaching materials in the field of children's education, histological sections for teaching purposes ; printed teaching materials, namely, manual describing the structure, function, operation and instruction of household appliances; modeling materials, namely, modeling clay, modeling compounds