Electromagnetic clutches for automobile air-conditioners; fan clutches for cooling automobile motors; clutches, other than for land vehicles; gasoline separators; piston rings; radiators for cooling automobile engines; air filters being parts of machines; centrifugal machines; compressed air machines; heat exchangers being parts of machines.

Magnetic clutches for air conditioners for vehicles; clutch fans for cooling for engines for land vehicles; clutches other than for land vehicles; oil separators; piston segments; cooling radiators for motors and engines; air cleaners; centrifugal machines; compressed air machines; heat exchangers as parts of machines