Open-circuit magnet structure for cross-field tubes and the...

Open-ended slotted pifa antenna and tuning method

Opening and closing mechanism for a medium or high voltage...

Opening of capsule inside sealed lamp

Operating arrangement for mechanism

Operating concept for direct methanol fuel cells

Operating device for electric switching apparatus for high...

Operating device for electric switching device

Operating device for enclosed high voltage circuit breakers

Operating electrolyte based components

Operating handle adapter

Operating handle for an encapsulated switching apparatus

Operating handle for use with enclosed switching apparatus

Operating handle for weather-proof enclosed switch

Operating handle locking apparatus and electrical switching...

Operating handle means for stacked circuit breaker modules

Operating handle mechanism for a circuit breaker

Operating key unit

Operating means for electric switching apparatus for high...

Operating means for enclosed electric circuit controlling...