Oil circulating system for marine propulsion gear case
Opto-electronic ignition systems for internal combustion engines
Optoelectronic ignition device for an internal combustion engine
Output correction circuit for transducer means
Output supply control apparatus for internal combustion engine m
Over-dwell protection circuit for an automotive ignition...
Over-revolution preventing apparatus for internal combustion eng
Over-rotation preventing device for internal combustion engines
Overrun prevention ignition system with ignition angle retardati