Window casements not of metal; Window frames, not of metal; Window glass for building; Windows, not of metal; Casement windows, not of metal; Insulating glass for windows for building purposes; Non-metal windows; Non-metal windows and doors; Non-metal interior storm windows; Non-metal storm windows; Non-metallic windows

research and development in the field of heat and wear resistant alloys

cobalt base alloys, iron base alloys, nickel base alloys

valve seat inserts

applied electronic apparatus and instruments, particularly on-line computer peripherals integrating a paper [ folding ] * folder * and inserter with a printer under control of a personal computer, postal charge meters