Office and counting house requisites (other than furniture); stationery and stationery articles and writing goods; filing systems and cabinets (other than furniture); folders and desk files (not of leather); filing folders and transparent sleeves and folders; registering devices; namely suspended files, pendulum files, hanging bags, hanging guide cards and ticket riders (clips to put on index cards); punches and perforators; filing containers and folders and document cases; paper and paper articles, cardboard and cardboard articles; writing materials; office staplers.