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System for controlling automatically a train using smart signal
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El inverter with brightness control function
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Slim type el inverter
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A controlling system for operating of train
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A train simulation apparatus
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A train simulation apparatus
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A train simulation apparatus
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A obstacle and derailment sensing system for train
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A obstacle sensing system for train and a derailment sensing system for train and a system having theire
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A simulation system for operating train
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