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Externally dimmable electronic ballast

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
Patent

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Externally mountable discharge lamp ignition circuit having visu

Electric lamp and discharge devices: systems – With signal – indicator – or alarm
Patent

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Externally mountable discharge lamp ignition circuit having...

Electric lamp and discharge devices: systems – With signal – indicator – or alarm
Reexamination Certificate

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Extra cost-effective electronic ballast

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Patent

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Extra efficient electronic ballast for fluorescent lamps

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent

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Extra-high pressure mercury discharge lamp

Electric lamp and discharge devices: systems – Discharge device load
Patent

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Extra-high-efficiency fluorescent lamp ballast

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...
Patent

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Extraction of accessory power from a signal supplied to a...

Electric lamp and discharge devices: systems – Regulation of the control current and/or potential applied...
Reexamination Certificate

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Extreme UV radiation source and semiconductor exposure device

Electric lamp and discharge devices: systems – Discharge device load with fluent material supply to the...
Reexamination Certificate

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