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CH608155A5
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Light-control circuit for gas-discharge lamps having a parallel control element
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Traffic tunnel lighting system with discharge lamps
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Fluorescent lamp control circuit
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CH592271A5
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Road tunnel continuous strip lighting system - has discharge lamps joined to connector connected directly to supply
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GB1328277A
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Lights for road tunnels
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GB1307242A
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Connection elements
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ES355174A1
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Starter circuits for discharge lamps
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GB1167920A
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Control Arrangements for the Power Stabilisation of Metal Vapour Discharge Lamps.
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OA00938A
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Electrical assembly for the production of light.
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FR1374850A
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Road lighting device
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DE1489411A1
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Street light
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FR1331053A
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Electrical assembly for light production
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