ceramic bearing assemblies, balls, rollers, rings and sleeves for use in industrial, medical, electronic, and biotechnological machines and instruments; aircraft support equipment, namely, starters for aircraft engines, electric generators for aircraft, auxiliary power units for supplying electrical power to aircraft and valves for aircraft engines; ceramic bearing assemblies, balls, rollers, rings, and sleeves for use in missile, rocket, and aircraft engines; ceramic balls for use as machine...

CERAMIC BEARING ASSEMBLIES, BALLS, ROLLERS, RINGS AND SLEEVES FOR USE IN INDUSTRIAL, MEDICAL, ELECTRONIC, AND BIOTECHNICOLOGICAL MACHINES AND INSTRUMENTS; AIRCRAFT SUPPORT EQUIPMENT, NAMELY, STARTERS, GENERATORS, AUXILIARY POWER UNITS AND VALVES; AND CERAMIC BEARING ASSEMBLIES, BALLS, ROLLERS, RINGS, AND SLEEVES FOR USE IN MISSILE, ROCKET, AND AIRCRAFT ENGINES