73772952
Dec 30, 1988
May 22, 1990
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
MachineryCERAMIC BEARING ASSEMBLIES, BALLS, ROLLERS, RINGS AND SLEEVES FOR USE IN LAND VEHICLE ENGINES AND LAND VEHICLE AND AIRCRAFT STRUCTURAL SYSTEMS
Vehicles