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Apparatus for operating gaseous discharge lamps on direct curren

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Arrangement intended for the ignition and alternating current su

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Ballast circuit for starting fluorescent lamps

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Built-in starter type fluorescent lamp socket

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Circuit for starting and operating fluorescent lamps

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Circuits for operating electric discharge lamps

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Compact igniter for discharge lamps

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Device for starting and feeding a discharge lamp

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Discharge lamp lighting device

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Discharge lamp operation apparatus

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Discharge lamp starting device

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Discharge tube firing device

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Electric device provided with a gas and/or vapor discharge lamp

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Electric discharge lamp lighting device

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Electronic ballast for tungsten lamp tubes

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Electronic device for the starting and a.c. voltage operation of

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Electronic starter for igniting a discharge lamp

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Energizing circuit for magnetron using dual transformer secondar

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Fluorescent lamp controlling

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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Fluorescent lamp driving circuit

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
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