73775381
Jan 18, 1989
Apr 13, 1993
NIPPON FERROFLUIDICS CORPORATION
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CHEMICAL PRODUCTS; NAMELY, MAGNETICALLY CONTROLLABLE FLUIDS AND CARRIERS FOR MAGNETICALLY CONTROLLABLE FLUIDS
MACHINE COMPONENTS; NAMELY, COMPUTER CONTROLLED VACUUM PROCESSING EQUIPMENT, ELECTRIC MOTORS AND FERROFLUIDIC SEALS
COMPUTER DISC DRIVES