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Gain controlled electronic ballast system
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Frequency stabilized automatic gain controlled ballast system
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Universal electronic ballast system
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Electronic ballast system for gas discharge tubes
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Self-regulating, no load protected electronic ballast system
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Self-regulating, no load protected electronic ballast system.
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Self-regulated electronic ballast system protected against the absence of load
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Self regulating no load protected electronic ballast system
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Electronic ballast system auto-regulated and protected from the absence of load
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Ballast electronic arrangement automatically regulated and protected against current faults.
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Self-regulating, no load protection electronic ballast system
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Discharge lamp ballast with no-load protection
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Self-regulating,no load protected electronic ballast system
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CA1279090C
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Self-regulating, no load protected electronic ballast system
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Sjaelvreglerande tomgaongsskyddat elektroniskt ballastsystem
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Electrodeless fluorescent lighting system
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Electrodeless fluorescent lighting system
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Fluorescent lighting system without electrodes
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Electrodeless fluorescent lighting system.
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Electrodeless system for fluoroscent enlighting
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